#include "util/string.h"
#include "util/callchain.h"
#include "util/strlist.h"
+#include "util/values.h"
#include "perf.h"
+#include "util/debug.h"
#include "util/header.h"
+#include "util/session.h"
#include "util/parse-options.h"
#include "util/parse-events.h"
-#define SHOW_KERNEL 1
-#define SHOW_USER 2
-#define SHOW_HV 4
+#include "util/thread.h"
+#include "util/sort.h"
+#include "util/hist.h"
static char const *input_name = "perf.data";
-static char *vmlinux = NULL;
-static char default_sort_order[] = "comm,dso,symbol";
-static char *sort_order = default_sort_order;
-static char *dso_list_str, *comm_list_str, *sym_list_str,
- *col_width_list_str;
-static struct strlist *dso_list, *comm_list, *sym_list;
-static char *field_sep;
+static int force;
+static bool hide_unresolved;
+static bool dont_use_callchains;
-static int input;
-static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
+static int show_threads;
+static struct perf_read_values show_threads_values;
-static int dump_trace = 0;
-#define dprintf(x...) do { if (dump_trace) printf(x); } while (0)
-#define cdprintf(x...) do { if (dump_trace) color_fprintf(stdout, color, x); } while (0)
-
-static int verbose;
-#define eprintf(x...) do { if (verbose) fprintf(stderr, x); } while (0)
-
-static int modules;
-
-static int full_paths;
-static int show_nr_samples;
-
-static unsigned long page_size;
-static unsigned long mmap_window = 32;
-
-static char default_parent_pattern[] = "^sys_|^do_page_fault";
-static char *parent_pattern = default_parent_pattern;
-static regex_t parent_regex;
-
-static int exclude_other = 1;
+static char default_pretty_printing_style[] = "normal";
+static char *pretty_printing_style = default_pretty_printing_style;
static char callchain_default_opt[] = "fractal,0.5";
-static int callchain;
-
-static
-struct callchain_param callchain_param = {
- .mode = CHAIN_GRAPH_REL,
- .min_percent = 0.5
-};
-
-static u64 sample_type;
-
-struct ip_event {
- struct perf_event_header header;
- u64 ip;
- u32 pid, tid;
- unsigned char __more_data[];
-};
-
-struct mmap_event {
- struct perf_event_header header;
- u32 pid, tid;
- u64 start;
- u64 len;
- u64 pgoff;
- char filename[PATH_MAX];
-};
-
-struct comm_event {
- struct perf_event_header header;
- u32 pid, tid;
- char comm[16];
-};
-
-struct fork_event {
- struct perf_event_header header;
- u32 pid, ppid;
- u32 tid, ptid;
-};
-
-struct lost_event {
- struct perf_event_header header;
- u64 id;
- u64 lost;
-};
-
-struct read_event {
- struct perf_event_header header;
- u32 pid,tid;
- u64 value;
- u64 time_enabled;
- u64 time_running;
- u64 id;
-};
-
-typedef union event_union {
- struct perf_event_header header;
- struct ip_event ip;
- struct mmap_event mmap;
- struct comm_event comm;
- struct fork_event fork;
- struct lost_event lost;
- struct read_event read;
-} event_t;
-
-static int repsep_fprintf(FILE *fp, const char *fmt, ...)
-{
- int n;
- va_list ap;
-
- va_start(ap, fmt);
- if (!field_sep)
- n = vfprintf(fp, fmt, ap);
- else {
- char *bf = NULL;
- n = vasprintf(&bf, fmt, ap);
- if (n > 0) {
- char *sep = bf;
- while (1) {
- sep = strchr(sep, *field_sep);
- if (sep == NULL)
- break;
- *sep = '.';
- }
- }
- fputs(bf, fp);
- free(bf);
- }
- va_end(ap);
- return n;
-}
-
-static LIST_HEAD(dsos);
-static struct dso *kernel_dso;
-static struct dso *vdso;
-static struct dso *hypervisor_dso;
-
-static void dsos__add(struct dso *dso)
-{
- list_add_tail(&dso->node, &dsos);
-}
-
-static struct dso *dsos__find(const char *name)
-{
- struct dso *pos;
-
- list_for_each_entry(pos, &dsos, node)
- if (strcmp(pos->name, name) == 0)
- return pos;
- return NULL;
-}
-
-static struct dso *dsos__findnew(const char *name)
-{
- struct dso *dso = dsos__find(name);
- int nr;
-
- if (dso)
- return dso;
-
- dso = dso__new(name, 0);
- if (!dso)
- goto out_delete_dso;
-
- nr = dso__load(dso, NULL, verbose);
- if (nr < 0) {
- eprintf("Failed to open: %s\n", name);
- goto out_delete_dso;
- }
- if (!nr)
- eprintf("No symbols found in: %s, maybe install a debug package?\n", name);
-
- dsos__add(dso);
-
- return dso;
-
-out_delete_dso:
- dso__delete(dso);
- return NULL;
-}
-
-static void dsos__fprintf(FILE *fp)
-{
- struct dso *pos;
-
- list_for_each_entry(pos, &dsos, node)
- dso__fprintf(pos, fp);
-}
-
-static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip)
-{
- return dso__find_symbol(dso, ip);
-}
-
-static int load_kernel(void)
-{
- int err;
-
- kernel_dso = dso__new("[kernel]", 0);
- if (!kernel_dso)
- return -1;
-
- err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules);
- if (err <= 0) {
- dso__delete(kernel_dso);
- kernel_dso = NULL;
- } else
- dsos__add(kernel_dso);
-
- vdso = dso__new("[vdso]", 0);
- if (!vdso)
- return -1;
-
- vdso->find_symbol = vdso__find_symbol;
-
- dsos__add(vdso);
-
- hypervisor_dso = dso__new("[hypervisor]", 0);
- if (!hypervisor_dso)
- return -1;
- dsos__add(hypervisor_dso);
-
- return err;
-}
-
-static char __cwd[PATH_MAX];
-static char *cwd = __cwd;
-static int cwdlen;
-
-static int strcommon(const char *pathname)
-{
- int n = 0;
-
- while (n < cwdlen && pathname[n] == cwd[n])
- ++n;
-
- return n;
-}
-
-struct map {
- struct list_head node;
- u64 start;
- u64 end;
- u64 pgoff;
- u64 (*map_ip)(struct map *, u64);
- struct dso *dso;
-};
-
-static u64 map__map_ip(struct map *map, u64 ip)
-{
- return ip - map->start + map->pgoff;
-}
-
-static u64 vdso__map_ip(struct map *map __used, u64 ip)
-{
- return ip;
-}
-
-static inline int is_anon_memory(const char *filename)
-{
- return strcmp(filename, "//anon") == 0;
-}
-
-static struct map *map__new(struct mmap_event *event)
-{
- struct map *self = malloc(sizeof(*self));
-
- if (self != NULL) {
- const char *filename = event->filename;
- char newfilename[PATH_MAX];
- int anon;
-
- if (cwd) {
- int n = strcommon(filename);
-
- if (n == cwdlen) {
- snprintf(newfilename, sizeof(newfilename),
- ".%s", filename + n);
- filename = newfilename;
- }
- }
-
- anon = is_anon_memory(filename);
-
- if (anon) {
- snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
- filename = newfilename;
- }
-
- self->start = event->start;
- self->end = event->start + event->len;
- self->pgoff = event->pgoff;
-
- self->dso = dsos__findnew(filename);
- if (self->dso == NULL)
- goto out_delete;
-
- if (self->dso == vdso || anon)
- self->map_ip = vdso__map_ip;
- else
- self->map_ip = map__map_ip;
- }
- return self;
-out_delete:
- free(self);
- return NULL;
-}
-
-static struct map *map__clone(struct map *self)
-{
- struct map *map = malloc(sizeof(*self));
-
- if (!map)
- return NULL;
-
- memcpy(map, self, sizeof(*self));
-
- return map;
-}
-
-static int map__overlap(struct map *l, struct map *r)
-{
- if (l->start > r->start) {
- struct map *t = l;
- l = r;
- r = t;
- }
-
- if (l->end > r->start)
- return 1;
-
- return 0;
-}
-
-static size_t map__fprintf(struct map *self, FILE *fp)
-{
- return fprintf(fp, " %Lx-%Lx %Lx %s\n",
- self->start, self->end, self->pgoff, self->dso->name);
-}
-
-
-struct thread {
- struct rb_node rb_node;
- struct list_head maps;
- pid_t pid;
- char *comm;
-};
-
-static struct thread *thread__new(pid_t pid)
-{
- struct thread *self = malloc(sizeof(*self));
-
- if (self != NULL) {
- self->pid = pid;
- self->comm = malloc(32);
- if (self->comm)
- snprintf(self->comm, 32, ":%d", self->pid);
- INIT_LIST_HEAD(&self->maps);
- }
-
- return self;
-}
-
-static unsigned int dsos__col_width,
- comms__col_width,
- threads__col_width;
-
-static int thread__set_comm(struct thread *self, const char *comm)
-{
- if (self->comm)
- free(self->comm);
- self->comm = strdup(comm);
- if (!self->comm)
- return -ENOMEM;
-
- if (!col_width_list_str && !field_sep &&
- (!comm_list || strlist__has_entry(comm_list, comm))) {
- unsigned int slen = strlen(comm);
- if (slen > comms__col_width) {
- comms__col_width = slen;
- threads__col_width = slen + 6;
- }
- }
-
- return 0;
-}
-
-static size_t thread__fprintf(struct thread *self, FILE *fp)
-{
- struct map *pos;
- size_t ret = fprintf(fp, "Thread %d %s\n", self->pid, self->comm);
-
- list_for_each_entry(pos, &self->maps, node)
- ret += map__fprintf(pos, fp);
-
- return ret;
-}
-
-
-static struct rb_root threads;
-static struct thread *last_match;
-
-static struct thread *threads__findnew(pid_t pid)
-{
- struct rb_node **p = &threads.rb_node;
- struct rb_node *parent = NULL;
- struct thread *th;
-
- /*
- * Font-end cache - PID lookups come in blocks,
- * so most of the time we dont have to look up
- * the full rbtree:
- */
- if (last_match && last_match->pid == pid)
- return last_match;
-
- while (*p != NULL) {
- parent = *p;
- th = rb_entry(parent, struct thread, rb_node);
-
- if (th->pid == pid) {
- last_match = th;
- return th;
- }
-
- if (pid < th->pid)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
-
- th = thread__new(pid);
- if (th != NULL) {
- rb_link_node(&th->rb_node, parent, p);
- rb_insert_color(&th->rb_node, &threads);
- last_match = th;
- }
-
- return th;
-}
-
-static void thread__insert_map(struct thread *self, struct map *map)
-{
- struct map *pos, *tmp;
-
- list_for_each_entry_safe(pos, tmp, &self->maps, node) {
- if (map__overlap(pos, map)) {
- if (verbose >= 2) {
- printf("overlapping maps:\n");
- map__fprintf(map, stdout);
- map__fprintf(pos, stdout);
- }
-
- if (map->start <= pos->start && map->end > pos->start)
- pos->start = map->end;
-
- if (map->end >= pos->end && map->start < pos->end)
- pos->end = map->start;
-
- if (verbose >= 2) {
- printf("after collision:\n");
- map__fprintf(pos, stdout);
- }
-
- if (pos->start >= pos->end) {
- list_del_init(&pos->node);
- free(pos);
- }
- }
- }
-
- list_add_tail(&map->node, &self->maps);
-}
-
-static int thread__fork(struct thread *self, struct thread *parent)
-{
- struct map *map;
-
- if (self->comm)
- free(self->comm);
- self->comm = strdup(parent->comm);
- if (!self->comm)
- return -ENOMEM;
-
- list_for_each_entry(map, &parent->maps, node) {
- struct map *new = map__clone(map);
- if (!new)
- return -ENOMEM;
- thread__insert_map(self, new);
- }
-
- return 0;
-}
-
-static struct map *thread__find_map(struct thread *self, u64 ip)
-{
- struct map *pos;
-
- if (self == NULL)
- return NULL;
-
- list_for_each_entry(pos, &self->maps, node)
- if (ip >= pos->start && ip <= pos->end)
- return pos;
-
- return NULL;
-}
-
-static size_t threads__fprintf(FILE *fp)
-{
- size_t ret = 0;
- struct rb_node *nd;
-
- for (nd = rb_first(&threads); nd; nd = rb_next(nd)) {
- struct thread *pos = rb_entry(nd, struct thread, rb_node);
-
- ret += thread__fprintf(pos, fp);
- }
-
- return ret;
-}
-
-/*
- * histogram, sorted on item, collects counts
- */
-
-static struct rb_root hist;
-
-struct hist_entry {
- struct rb_node rb_node;
-
- struct thread *thread;
- struct map *map;
- struct dso *dso;
- struct symbol *sym;
- struct symbol *parent;
- u64 ip;
- char level;
- struct callchain_node callchain;
- struct rb_root sorted_chain;
-
- u64 count;
-};
-
-/*
- * configurable sorting bits
- */
-
-struct sort_entry {
- struct list_head list;
-
- char *header;
-
- int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
- int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
- size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width);
- unsigned int *width;
- bool elide;
-};
-
-static int64_t cmp_null(void *l, void *r)
-{
- if (!l && !r)
- return 0;
- else if (!l)
- return -1;
- else
- return 1;
-}
-
-/* --sort pid */
-
-static int64_t
-sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
-{
- return right->thread->pid - left->thread->pid;
-}
-
-static size_t
-sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width)
-{
- return repsep_fprintf(fp, "%*s:%5d", width - 6,
- self->thread->comm ?: "", self->thread->pid);
-}
-
-static struct sort_entry sort_thread = {
- .header = "Command: Pid",
- .cmp = sort__thread_cmp,
- .print = sort__thread_print,
- .width = &threads__col_width,
-};
-
-/* --sort comm */
-
-static int64_t
-sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
-{
- return right->thread->pid - left->thread->pid;
-}
-
-static int64_t
-sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
-{
- char *comm_l = left->thread->comm;
- char *comm_r = right->thread->comm;
-
- if (!comm_l || !comm_r)
- return cmp_null(comm_l, comm_r);
-
- return strcmp(comm_l, comm_r);
-}
-
-static size_t
-sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width)
-{
- return repsep_fprintf(fp, "%*s", width, self->thread->comm);
-}
-
-static struct sort_entry sort_comm = {
- .header = "Command",
- .cmp = sort__comm_cmp,
- .collapse = sort__comm_collapse,
- .print = sort__comm_print,
- .width = &comms__col_width,
-};
-
-/* --sort dso */
-
-static int64_t
-sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
-{
- struct dso *dso_l = left->dso;
- struct dso *dso_r = right->dso;
-
- if (!dso_l || !dso_r)
- return cmp_null(dso_l, dso_r);
-
- return strcmp(dso_l->name, dso_r->name);
-}
-
-static size_t
-sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width)
-{
- if (self->dso)
- return repsep_fprintf(fp, "%-*s", width, self->dso->name);
-
- return repsep_fprintf(fp, "%*llx", width, (u64)self->ip);
-}
-
-static struct sort_entry sort_dso = {
- .header = "Shared Object",
- .cmp = sort__dso_cmp,
- .print = sort__dso_print,
- .width = &dsos__col_width,
-};
-
-/* --sort symbol */
-
-static int64_t
-sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
-{
- u64 ip_l, ip_r;
-
- if (left->sym == right->sym)
- return 0;
-
- ip_l = left->sym ? left->sym->start : left->ip;
- ip_r = right->sym ? right->sym->start : right->ip;
-
- return (int64_t)(ip_r - ip_l);
-}
-
-static size_t
-sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used)
-{
- size_t ret = 0;
-
- if (verbose)
- ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip,
- dso__symtab_origin(self->dso));
-
- ret += repsep_fprintf(fp, "[%c] ", self->level);
- if (self->sym) {
- ret += repsep_fprintf(fp, "%s", self->sym->name);
-
- if (self->sym->module)
- ret += repsep_fprintf(fp, "\t[%s]",
- self->sym->module->name);
- } else {
- ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip);
- }
-
- return ret;
-}
-
-static struct sort_entry sort_sym = {
- .header = "Symbol",
- .cmp = sort__sym_cmp,
- .print = sort__sym_print,
-};
-
-/* --sort parent */
-
-static int64_t
-sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
-{
- struct symbol *sym_l = left->parent;
- struct symbol *sym_r = right->parent;
-
- if (!sym_l || !sym_r)
- return cmp_null(sym_l, sym_r);
-
- return strcmp(sym_l->name, sym_r->name);
-}
-
-static size_t
-sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width)
-{
- return repsep_fprintf(fp, "%-*s", width,
- self->parent ? self->parent->name : "[other]");
-}
-
-static unsigned int parent_symbol__col_width;
-
-static struct sort_entry sort_parent = {
- .header = "Parent symbol",
- .cmp = sort__parent_cmp,
- .print = sort__parent_print,
- .width = &parent_symbol__col_width,
-};
-
-static int sort__need_collapse = 0;
-static int sort__has_parent = 0;
-
-struct sort_dimension {
- char *name;
- struct sort_entry *entry;
- int taken;
-};
-
-static struct sort_dimension sort_dimensions[] = {
- { .name = "pid", .entry = &sort_thread, },
- { .name = "comm", .entry = &sort_comm, },
- { .name = "dso", .entry = &sort_dso, },
- { .name = "symbol", .entry = &sort_sym, },
- { .name = "parent", .entry = &sort_parent, },
-};
-
-static LIST_HEAD(hist_entry__sort_list);
-
-static int sort_dimension__add(char *tok)
-{
- unsigned int i;
-
- for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
- struct sort_dimension *sd = &sort_dimensions[i];
-
- if (sd->taken)
- continue;
-
- if (strncasecmp(tok, sd->name, strlen(tok)))
- continue;
-
- if (sd->entry->collapse)
- sort__need_collapse = 1;
-
- if (sd->entry == &sort_parent) {
- int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
- if (ret) {
- char err[BUFSIZ];
-
- regerror(ret, &parent_regex, err, sizeof(err));
- fprintf(stderr, "Invalid regex: %s\n%s",
- parent_pattern, err);
- exit(-1);
- }
- sort__has_parent = 1;
- }
-
- list_add_tail(&sd->entry->list, &hist_entry__sort_list);
- sd->taken = 1;
-
- return 0;
- }
-
- return -ESRCH;
-}
-
-static int64_t
-hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
-{
- struct sort_entry *se;
- int64_t cmp = 0;
-
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- cmp = se->cmp(left, right);
- if (cmp)
- break;
- }
-
- return cmp;
-}
-
-static int64_t
-hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
-{
- struct sort_entry *se;
- int64_t cmp = 0;
-
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- int64_t (*f)(struct hist_entry *, struct hist_entry *);
-
- f = se->collapse ?: se->cmp;
-
- cmp = f(left, right);
- if (cmp)
- break;
- }
-
- return cmp;
-}
-
-static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask)
-{
- int i;
- size_t ret = 0;
-
- ret += fprintf(fp, "%s", " ");
-
- for (i = 0; i < depth; i++)
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "| ");
- else
- ret += fprintf(fp, " ");
-
- ret += fprintf(fp, "\n");
-
- return ret;
-}
-static size_t
-ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth,
- int depth_mask, int count, u64 total_samples,
- int hits)
-{
- int i;
- size_t ret = 0;
-
- ret += fprintf(fp, "%s", " ");
- for (i = 0; i < depth; i++) {
- if (depth_mask & (1 << i))
- ret += fprintf(fp, "|");
- else
- ret += fprintf(fp, " ");
- if (!count && i == depth - 1) {
- double percent;
-
- percent = hits * 100.0 / total_samples;
- ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
- } else
- ret += fprintf(fp, "%s", " ");
- }
- if (chain->sym)
- ret += fprintf(fp, "%s\n", chain->sym->name);
- else
- ret += fprintf(fp, "%p\n", (void *)(long)chain->ip);
-
- return ret;
-}
-
-static struct symbol *rem_sq_bracket;
-static struct callchain_list rem_hits;
-
-static void init_rem_hits(void)
-{
- rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
- if (!rem_sq_bracket) {
- fprintf(stderr, "Not enough memory to display remaining hits\n");
- return;
- }
-
- strcpy(rem_sq_bracket->name, "[...]");
- rem_hits.sym = rem_sq_bracket;
-}
-
-static size_t
-callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
- u64 total_samples, int depth, int depth_mask)
-{
- struct rb_node *node, *next;
- struct callchain_node *child;
- struct callchain_list *chain;
- int new_depth_mask = depth_mask;
- u64 new_total;
- u64 remaining;
- size_t ret = 0;
- int i;
-
- if (callchain_param.mode == CHAIN_GRAPH_REL)
- new_total = self->children_hit;
- else
- new_total = total_samples;
-
- remaining = new_total;
-
- node = rb_first(&self->rb_root);
- while (node) {
- u64 cumul;
-
- child = rb_entry(node, struct callchain_node, rb_node);
- cumul = cumul_hits(child);
- remaining -= cumul;
-
- /*
- * The depth mask manages the output of pipes that show
- * the depth. We don't want to keep the pipes of the current
- * level for the last child of this depth.
- * Except if we have remaining filtered hits. They will
- * supersede the last child
- */
- next = rb_next(node);
- if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
- new_depth_mask &= ~(1 << (depth - 1));
-
- /*
- * But we keep the older depth mask for the line seperator
- * to keep the level link until we reach the last child
- */
- ret += ipchain__fprintf_graph_line(fp, depth, depth_mask);
- i = 0;
- list_for_each_entry(chain, &child->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
- ret += ipchain__fprintf_graph(fp, chain, depth,
- new_depth_mask, i++,
- new_total,
- cumul);
- }
- ret += callchain__fprintf_graph(fp, child, new_total,
- depth + 1,
- new_depth_mask | (1 << depth));
- node = next;
- }
-
- if (callchain_param.mode == CHAIN_GRAPH_REL &&
- remaining && remaining != new_total) {
-
- if (!rem_sq_bracket)
- return ret;
-
- new_depth_mask &= ~(1 << (depth - 1));
-
- ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
- new_depth_mask, 0, new_total,
- remaining);
- }
-
- return ret;
-}
-
-static size_t
-callchain__fprintf_flat(FILE *fp, struct callchain_node *self,
- u64 total_samples)
-{
- struct callchain_list *chain;
- size_t ret = 0;
-
- if (!self)
- return 0;
-
- ret += callchain__fprintf_flat(fp, self->parent, total_samples);
-
-
- list_for_each_entry(chain, &self->val, list) {
- if (chain->ip >= PERF_CONTEXT_MAX)
- continue;
- if (chain->sym)
- ret += fprintf(fp, " %s\n", chain->sym->name);
- else
- ret += fprintf(fp, " %p\n",
- (void *)(long)chain->ip);
- }
-
- return ret;
-}
-
-static size_t
-hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
- u64 total_samples)
-{
- struct rb_node *rb_node;
- struct callchain_node *chain;
- size_t ret = 0;
-
- rb_node = rb_first(&self->sorted_chain);
- while (rb_node) {
- double percent;
-
- chain = rb_entry(rb_node, struct callchain_node, rb_node);
- percent = chain->hit * 100.0 / total_samples;
- switch (callchain_param.mode) {
- case CHAIN_FLAT:
- ret += percent_color_fprintf(fp, " %6.2f%%\n",
- percent);
- ret += callchain__fprintf_flat(fp, chain, total_samples);
- break;
- case CHAIN_GRAPH_ABS: /* Falldown */
- case CHAIN_GRAPH_REL:
- ret += callchain__fprintf_graph(fp, chain,
- total_samples, 1, 1);
- default:
- break;
- }
- ret += fprintf(fp, "\n");
- rb_node = rb_next(rb_node);
- }
-
- return ret;
-}
-
-
-static size_t
-hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples)
-{
- struct sort_entry *se;
- size_t ret;
-
- if (exclude_other && !self->parent)
- return 0;
-
- if (total_samples)
- ret = percent_color_fprintf(fp,
- field_sep ? "%.2f" : " %6.2f%%",
- (self->count * 100.0) / total_samples);
- else
- ret = fprintf(fp, field_sep ? "%lld" : "%12lld ", self->count);
-
- if (show_nr_samples) {
- if (field_sep)
- fprintf(fp, "%c%lld", *field_sep, self->count);
- else
- fprintf(fp, "%11lld", self->count);
- }
-
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- if (se->elide)
- continue;
-
- fprintf(fp, "%s", field_sep ?: " ");
- ret += se->print(fp, self, se->width ? *se->width : 0);
- }
-
- ret += fprintf(fp, "\n");
-
- if (callchain)
- hist_entry_callchain__fprintf(fp, self, total_samples);
-
- return ret;
-}
-
-/*
- *
- */
-
-static void dso__calc_col_width(struct dso *self)
-{
- if (!col_width_list_str && !field_sep &&
- (!dso_list || strlist__has_entry(dso_list, self->name))) {
- unsigned int slen = strlen(self->name);
- if (slen > dsos__col_width)
- dsos__col_width = slen;
- }
-
- self->slen_calculated = 1;
-}
-
-static struct symbol *
-resolve_symbol(struct thread *thread, struct map **mapp,
- struct dso **dsop, u64 *ipp)
-{
- struct dso *dso = dsop ? *dsop : NULL;
- struct map *map = mapp ? *mapp : NULL;
- u64 ip = *ipp;
-
- if (!thread)
- return NULL;
-
- if (dso)
- goto got_dso;
-
- if (map)
- goto got_map;
-
- map = thread__find_map(thread, ip);
- if (map != NULL) {
- /*
- * We have to do this here as we may have a dso
- * with no symbol hit that has a name longer than
- * the ones with symbols sampled.
- */
- if (!sort_dso.elide && !map->dso->slen_calculated)
- dso__calc_col_width(map->dso);
-
- if (mapp)
- *mapp = map;
-got_map:
- ip = map->map_ip(map, ip);
-
- dso = map->dso;
- } else {
- /*
- * If this is outside of all known maps,
- * and is a negative address, try to look it
- * up in the kernel dso, as it might be a
- * vsyscall (which executes in user-mode):
- */
- if ((long long)ip < 0)
- dso = kernel_dso;
- }
- dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
- dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip);
- *ipp = ip;
-
- if (dsop)
- *dsop = dso;
-
- if (!dso)
- return NULL;
-got_dso:
- return dso->find_symbol(dso, ip);
-}
-
-static int call__match(struct symbol *sym)
-{
- if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
- return 1;
-
- return 0;
-}
-
-static struct symbol **
-resolve_callchain(struct thread *thread, struct map *map __used,
- struct ip_callchain *chain, struct hist_entry *entry)
-{
- u64 context = PERF_CONTEXT_MAX;
- struct symbol **syms = NULL;
- unsigned int i;
-
- if (callchain) {
- syms = calloc(chain->nr, sizeof(*syms));
- if (!syms) {
- fprintf(stderr, "Can't allocate memory for symbols\n");
- exit(-1);
- }
- }
-
- for (i = 0; i < chain->nr; i++) {
- u64 ip = chain->ips[i];
- struct dso *dso = NULL;
- struct symbol *sym;
-
- if (ip >= PERF_CONTEXT_MAX) {
- context = ip;
- continue;
- }
-
- switch (context) {
- case PERF_CONTEXT_HV:
- dso = hypervisor_dso;
- break;
- case PERF_CONTEXT_KERNEL:
- dso = kernel_dso;
- break;
- default:
- break;
- }
-
- sym = resolve_symbol(thread, NULL, &dso, &ip);
-
- if (sym) {
- if (sort__has_parent && call__match(sym) &&
- !entry->parent)
- entry->parent = sym;
- if (!callchain)
- break;
- syms[i] = sym;
- }
- }
-
- return syms;
-}
-
-/*
- * collect histogram counts
- */
-
-static int
-hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
- struct symbol *sym, u64 ip, struct ip_callchain *chain,
- char level, u64 count)
+static int perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al,
+ struct ip_callchain *chain, u64 count)
{
- struct rb_node **p = &hist.rb_node;
- struct rb_node *parent = NULL;
+ struct symbol **syms = NULL, *parent = NULL;
+ bool hit;
struct hist_entry *he;
- struct symbol **syms = NULL;
- struct hist_entry entry = {
- .thread = thread,
- .map = map,
- .dso = dso,
- .sym = sym,
- .ip = ip,
- .level = level,
- .count = count,
- .parent = NULL,
- .sorted_chain = RB_ROOT
- };
- int cmp;
-
- if ((sort__has_parent || callchain) && chain)
- syms = resolve_callchain(thread, map, chain, &entry);
-
- while (*p != NULL) {
- parent = *p;
- he = rb_entry(parent, struct hist_entry, rb_node);
-
- cmp = hist_entry__cmp(&entry, he);
-
- if (!cmp) {
- he->count += count;
- if (callchain) {
- append_chain(&he->callchain, chain, syms);
- free(syms);
- }
- return 0;
- }
-
- if (cmp < 0)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
- he = malloc(sizeof(*he));
- if (!he)
+ if ((sort__has_parent || symbol_conf.use_callchain) && chain)
+ syms = perf_session__resolve_callchain(self, al->thread,
+ chain, &parent);
+ he = __perf_session__add_hist_entry(&self->hists, al, parent,
+ count, &hit);
+ if (he == NULL)
return -ENOMEM;
- *he = entry;
- if (callchain) {
- callchain_init(&he->callchain);
+
+ if (hit)
+ he->count += count;
+
+ if (symbol_conf.use_callchain) {
+ if (!hit)
+ callchain_init(&he->callchain);
append_chain(&he->callchain, chain, syms);
free(syms);
}
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &hist);
return 0;
}
-static void hist_entry__free(struct hist_entry *he)
-{
- free(he);
-}
-
-/*
- * collapse the histogram
- */
-
-static struct rb_root collapse_hists;
-
-static void collapse__insert_entry(struct hist_entry *he)
-{
- struct rb_node **p = &collapse_hists.rb_node;
- struct rb_node *parent = NULL;
- struct hist_entry *iter;
- int64_t cmp;
-
- while (*p != NULL) {
- parent = *p;
- iter = rb_entry(parent, struct hist_entry, rb_node);
-
- cmp = hist_entry__collapse(iter, he);
-
- if (!cmp) {
- iter->count += he->count;
- hist_entry__free(he);
- return;
- }
-
- if (cmp < 0)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
-
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &collapse_hists);
-}
-
-static void collapse__resort(void)
-{
- struct rb_node *next;
- struct hist_entry *n;
-
- if (!sort__need_collapse)
- return;
-
- next = rb_first(&hist);
- while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
-
- rb_erase(&n->rb_node, &hist);
- collapse__insert_entry(n);
- }
-}
-
-/*
- * reverse the map, sort on count.
- */
-
-static struct rb_root output_hists;
-
-static void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits)
-{
- struct rb_node **p = &output_hists.rb_node;
- struct rb_node *parent = NULL;
- struct hist_entry *iter;
-
- if (callchain)
- callchain_param.sort(&he->sorted_chain, &he->callchain,
- min_callchain_hits, &callchain_param);
-
- while (*p != NULL) {
- parent = *p;
- iter = rb_entry(parent, struct hist_entry, rb_node);
-
- if (he->count > iter->count)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
- }
-
- rb_link_node(&he->rb_node, parent, p);
- rb_insert_color(&he->rb_node, &output_hists);
-}
-
-static void output__resort(u64 total_samples)
-{
- struct rb_node *next;
- struct hist_entry *n;
- struct rb_root *tree = &hist;
- u64 min_callchain_hits;
-
- min_callchain_hits = total_samples * (callchain_param.min_percent / 100);
-
- if (sort__need_collapse)
- tree = &collapse_hists;
-
- next = rb_first(tree);
-
- while (next) {
- n = rb_entry(next, struct hist_entry, rb_node);
- next = rb_next(&n->rb_node);
-
- rb_erase(&n->rb_node, tree);
- output__insert_entry(n, min_callchain_hits);
- }
-}
-
-static size_t output__fprintf(FILE *fp, u64 total_samples)
-{
- struct hist_entry *pos;
- struct sort_entry *se;
- struct rb_node *nd;
- size_t ret = 0;
- unsigned int width;
- char *col_width = col_width_list_str;
-
- init_rem_hits();
-
- fprintf(fp, "# Samples: %Ld\n", (u64)total_samples);
- fprintf(fp, "#\n");
-
- fprintf(fp, "# Overhead");
- if (show_nr_samples) {
- if (field_sep)
- fprintf(fp, "%cSamples", *field_sep);
- else
- fputs(" Samples ", fp);
- }
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- if (se->elide)
- continue;
- if (field_sep) {
- fprintf(fp, "%c%s", *field_sep, se->header);
- continue;
- }
- width = strlen(se->header);
- if (se->width) {
- if (col_width_list_str) {
- if (col_width) {
- *se->width = atoi(col_width);
- col_width = strchr(col_width, ',');
- if (col_width)
- ++col_width;
- }
- }
- width = *se->width = max(*se->width, width);
- }
- fprintf(fp, " %*s", width, se->header);
- }
- fprintf(fp, "\n");
-
- if (field_sep)
- goto print_entries;
-
- fprintf(fp, "# ........");
- if (show_nr_samples)
- fprintf(fp, " ..........");
- list_for_each_entry(se, &hist_entry__sort_list, list) {
- unsigned int i;
-
- if (se->elide)
- continue;
-
- fprintf(fp, " ");
- if (se->width)
- width = *se->width;
- else
- width = strlen(se->header);
- for (i = 0; i < width; i++)
- fprintf(fp, ".");
- }
- fprintf(fp, "\n");
-
- fprintf(fp, "#\n");
-
-print_entries:
- for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) {
- pos = rb_entry(nd, struct hist_entry, rb_node);
- ret += hist_entry__fprintf(fp, pos, total_samples);
- }
-
- if (sort_order == default_sort_order &&
- parent_pattern == default_parent_pattern) {
- fprintf(fp, "#\n");
- fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n");
- fprintf(fp, "#\n");
- }
- fprintf(fp, "\n");
-
- free(rem_sq_bracket);
-
- return ret;
-}
-
-static void register_idle_thread(void)
-{
- struct thread *thread = threads__findnew(0);
-
- if (thread == NULL ||
- thread__set_comm(thread, "[idle]")) {
- fprintf(stderr, "problem inserting idle task.\n");
- exit(-1);
- }
-}
-
-static unsigned long total = 0,
- total_mmap = 0,
- total_comm = 0,
- total_fork = 0,
- total_unknown = 0,
- total_lost = 0;
-
static int validate_chain(struct ip_callchain *chain, event_t *event)
{
unsigned int chain_size;
return 0;
}
-static int
-process_sample_event(event_t *event, unsigned long offset, unsigned long head)
+static int process_sample_event(event_t *event, struct perf_session *session)
{
- char level;
- int show = 0;
- struct dso *dso = NULL;
- struct thread *thread = threads__findnew(event->ip.pid);
- u64 ip = event->ip.ip;
- u64 period = 1;
- struct map *map = NULL;
- void *more_data = event->ip.__more_data;
- struct ip_callchain *chain = NULL;
- int cpumode;
-
- if (sample_type & PERF_SAMPLE_PERIOD) {
- period = *(u64 *)more_data;
- more_data += sizeof(u64);
- }
+ struct sample_data data = { .period = 1, };
+ struct addr_location al;
- dprintf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->header.misc,
- event->ip.pid, event->ip.tid,
- (void *)(long)ip,
- (long long)period);
+ event__parse_sample(event, session->sample_type, &data);
- if (sample_type & PERF_SAMPLE_CALLCHAIN) {
- unsigned int i;
+ dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld\n", event->header.misc,
+ data.pid, data.tid, data.ip, data.period);
- chain = (void *)more_data;
+ if (session->sample_type & PERF_SAMPLE_CALLCHAIN) {
+ unsigned int i;
- dprintf("... chain: nr:%Lu\n", chain->nr);
+ dump_printf("... chain: nr:%Lu\n", data.callchain->nr);
- if (validate_chain(chain, event) < 0) {
- eprintf("call-chain problem with event, skipping it.\n");
+ if (validate_chain(data.callchain, event) < 0) {
+ pr_debug("call-chain problem with event, "
+ "skipping it.\n");
return 0;
}
if (dump_trace) {
- for (i = 0; i < chain->nr; i++)
- dprintf("..... %2d: %016Lx\n", i, chain->ips[i]);
+ for (i = 0; i < data.callchain->nr; i++)
+ dump_printf("..... %2d: %016Lx\n",
+ i, data.callchain->ips[i]);
}
}
- dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
-
- if (thread == NULL) {
- eprintf("problem processing %d event, skipping it.\n",
+ if (event__preprocess_sample(event, session, &al, NULL) < 0) {
+ fprintf(stderr, "problem processing %d event, skipping it.\n",
event->header.type);
return -1;
}
- if (comm_list && !strlist__has_entry(comm_list, thread->comm))
- return 0;
-
- cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK;
-
- if (cpumode == PERF_EVENT_MISC_KERNEL) {
- show = SHOW_KERNEL;
- level = 'k';
-
- dso = kernel_dso;
-
- dprintf(" ...... dso: %s\n", dso->name);
-
- } else if (cpumode == PERF_EVENT_MISC_USER) {
-
- show = SHOW_USER;
- level = '.';
-
- } else {
- show = SHOW_HV;
- level = 'H';
-
- dso = hypervisor_dso;
-
- dprintf(" ...... dso: [hypervisor]\n");
- }
-
- if (show & show_mask) {
- struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip);
-
- if (dso_list && dso && dso->name && !strlist__has_entry(dso_list, dso->name))
- return 0;
-
- if (sym_list && sym && !strlist__has_entry(sym_list, sym->name))
- return 0;
-
- if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) {
- eprintf("problem incrementing symbol count, skipping event\n");
- return -1;
- }
- }
- total += period;
-
- return 0;
-}
-
-static int
-process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct thread *thread = threads__findnew(event->mmap.pid);
- struct map *map = map__new(&event->mmap);
-
- dprintf("%p [%p]: PERF_EVENT_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->mmap.pid,
- event->mmap.tid,
- (void *)(long)event->mmap.start,
- (void *)(long)event->mmap.len,
- (void *)(long)event->mmap.pgoff,
- event->mmap.filename);
-
- if (thread == NULL || map == NULL) {
- dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n");
- return 0;
- }
-
- thread__insert_map(thread, map);
- total_mmap++;
-
- return 0;
-}
-
-static int
-process_comm_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct thread *thread = threads__findnew(event->comm.pid);
-
- dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->comm.comm, event->comm.pid);
-
- if (thread == NULL ||
- thread__set_comm(thread, event->comm.comm)) {
- dprintf("problem processing PERF_EVENT_COMM, skipping event.\n");
- return -1;
- }
- total_comm++;
-
- return 0;
-}
-
-static int
-process_task_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct thread *thread = threads__findnew(event->fork.pid);
- struct thread *parent = threads__findnew(event->fork.ppid);
-
- dprintf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->header.type == PERF_EVENT_FORK ? "FORK" : "EXIT",
- event->fork.pid, event->fork.tid,
- event->fork.ppid, event->fork.ptid);
-
- /*
- * A thread clone will have the same PID for both
- * parent and child.
- */
- if (thread == parent)
- return 0;
-
- if (event->header.type == PERF_EVENT_EXIT)
+ if (al.filtered || (hide_unresolved && al.sym == NULL))
return 0;
- if (!thread || !parent || thread__fork(thread, parent)) {
- dprintf("problem processing PERF_EVENT_FORK, skipping event.\n");
+ if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
+ pr_debug("problem incrementing symbol count, skipping event\n");
return -1;
}
- total_fork++;
-
- return 0;
-}
-
-static int
-process_lost_event(event_t *event, unsigned long offset, unsigned long head)
-{
- dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->lost.id,
- event->lost.lost);
-
- total_lost += event->lost.lost;
+ session->events_stats.total += data.period;
return 0;
}
-static void trace_event(event_t *event)
-{
- unsigned char *raw_event = (void *)event;
- char *color = PERF_COLOR_BLUE;
- int i, j;
-
- if (!dump_trace)
- return;
-
- dprintf(".");
- cdprintf("\n. ... raw event: size %d bytes\n", event->header.size);
-
- for (i = 0; i < event->header.size; i++) {
- if ((i & 15) == 0) {
- dprintf(".");
- cdprintf(" %04x: ", i);
- }
-
- cdprintf(" %02x", raw_event[i]);
-
- if (((i & 15) == 15) || i == event->header.size-1) {
- cdprintf(" ");
- for (j = 0; j < 15-(i & 15); j++)
- cdprintf(" ");
- for (j = 0; j < (i & 15); j++) {
- if (isprint(raw_event[i-15+j]))
- cdprintf("%c", raw_event[i-15+j]);
- else
- cdprintf(".");
- }
- cdprintf("\n");
- }
- }
- dprintf(".\n");
-}
-
-static struct perf_header *header;
-
-static struct perf_counter_attr *perf_header__find_attr(u64 id)
+static int process_read_event(event_t *event, struct perf_session *session __used)
{
- int i;
+ struct perf_event_attr *attr;
- for (i = 0; i < header->attrs; i++) {
- struct perf_header_attr *attr = header->attr[i];
- int j;
+ attr = perf_header__find_attr(event->read.id, &session->header);
- for (j = 0; j < attr->ids; j++) {
- if (attr->id[j] == id)
- return &attr->attr;
- }
+ if (show_threads) {
+ const char *name = attr ? __event_name(attr->type, attr->config)
+ : "unknown";
+ perf_read_values_add_value(&show_threads_values,
+ event->read.pid, event->read.tid,
+ event->read.id,
+ name,
+ event->read.value);
}
- return NULL;
-}
-
-static int
-process_read_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct perf_counter_attr *attr = perf_header__find_attr(event->read.id);
-
- dprintf("%p [%p]: PERF_EVENT_READ: %d %d %s %Lu\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->read.pid,
- event->read.tid,
- attr ? __event_name(attr->type, attr->config)
- : "FAIL",
- event->read.value);
-
- return 0;
-}
-
-static int
-process_event(event_t *event, unsigned long offset, unsigned long head)
-{
- trace_event(event);
-
- switch (event->header.type) {
- case PERF_EVENT_SAMPLE:
- return process_sample_event(event, offset, head);
-
- case PERF_EVENT_MMAP:
- return process_mmap_event(event, offset, head);
-
- case PERF_EVENT_COMM:
- return process_comm_event(event, offset, head);
-
- case PERF_EVENT_FORK:
- case PERF_EVENT_EXIT:
- return process_task_event(event, offset, head);
-
- case PERF_EVENT_LOST:
- return process_lost_event(event, offset, head);
-
- case PERF_EVENT_READ:
- return process_read_event(event, offset, head);
-
- /*
- * We dont process them right now but they are fine:
- */
-
- case PERF_EVENT_THROTTLE:
- case PERF_EVENT_UNTHROTTLE:
- return 0;
-
- default:
- return -1;
- }
+ dump_printf(": %d %d %s %Lu\n", event->read.pid, event->read.tid,
+ attr ? __event_name(attr->type, attr->config) : "FAIL",
+ event->read.value);
return 0;
}
-static u64 perf_header__sample_type(void)
-{
- u64 sample_type = 0;
- int i;
-
- for (i = 0; i < header->attrs; i++) {
- struct perf_header_attr *attr = header->attr[i];
-
- if (!sample_type)
- sample_type = attr->attr.sample_type;
- else if (sample_type != attr->attr.sample_type)
- die("non matching sample_type");
- }
-
- return sample_type;
-}
-
-static int __cmd_report(void)
+static int perf_session__setup_sample_type(struct perf_session *self)
{
- int ret, rc = EXIT_FAILURE;
- unsigned long offset = 0;
- unsigned long head, shift;
- struct stat stat;
- event_t *event;
- uint32_t size;
- char *buf;
-
- register_idle_thread();
-
- input = open(input_name, O_RDONLY);
- if (input < 0) {
- fprintf(stderr, " failed to open file: %s", input_name);
- if (!strcmp(input_name, "perf.data"))
- fprintf(stderr, " (try 'perf record' first)");
- fprintf(stderr, "\n");
- exit(-1);
- }
-
- ret = fstat(input, &stat);
- if (ret < 0) {
- perror("failed to stat file");
- exit(-1);
- }
-
- if (!stat.st_size) {
- fprintf(stderr, "zero-sized file, nothing to do!\n");
- exit(0);
- }
-
- header = perf_header__read(input);
- head = header->data_offset;
-
- sample_type = perf_header__sample_type();
-
- if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
+ if (!(self->sample_type & PERF_SAMPLE_CALLCHAIN)) {
if (sort__has_parent) {
fprintf(stderr, "selected --sort parent, but no"
" callchain data. Did you call"
" perf record without -g?\n");
- exit(-1);
+ return -EINVAL;
}
- if (callchain) {
- fprintf(stderr, "selected -c but no callchain data."
+ if (symbol_conf.use_callchain) {
+ fprintf(stderr, "selected -g but no callchain data."
" Did you call perf record without"
" -g?\n");
- exit(-1);
+ return -1;
}
- } else if (callchain_param.mode != CHAIN_NONE && !callchain) {
- callchain = 1;
+ } else if (!dont_use_callchains && callchain_param.mode != CHAIN_NONE &&
+ !symbol_conf.use_callchain) {
+ symbol_conf.use_callchain = true;
if (register_callchain_param(&callchain_param) < 0) {
fprintf(stderr, "Can't register callchain"
" params\n");
- exit(-1);
+ return -EINVAL;
}
}
- if (load_kernel() < 0) {
- perror("failed to load kernel symbols");
- return EXIT_FAILURE;
- }
-
- if (!full_paths) {
- if (getcwd(__cwd, sizeof(__cwd)) == NULL) {
- perror("failed to get the current directory");
- return EXIT_FAILURE;
- }
- cwdlen = strlen(cwd);
- } else {
- cwd = NULL;
- cwdlen = 0;
- }
-
- shift = page_size * (head / page_size);
- offset += shift;
- head -= shift;
-
-remap:
- buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ,
- MAP_SHARED, input, offset);
- if (buf == MAP_FAILED) {
- perror("failed to mmap file");
- exit(-1);
- }
-
-more:
- event = (event_t *)(buf + head);
-
- size = event->header.size;
- if (!size)
- size = 8;
-
- if (head + event->header.size >= page_size * mmap_window) {
- int ret;
-
- shift = page_size * (head / page_size);
-
- ret = munmap(buf, page_size * mmap_window);
- assert(ret == 0);
-
- offset += shift;
- head -= shift;
- goto remap;
- }
-
- size = event->header.size;
+ return 0;
+}
- dprintf("\n%p [%p]: event: %d\n",
- (void *)(offset + head),
- (void *)(long)event->header.size,
- event->header.type);
+static struct perf_event_ops event_ops = {
+ .sample = process_sample_event,
+ .mmap = event__process_mmap,
+ .comm = event__process_comm,
+ .exit = event__process_task,
+ .fork = event__process_task,
+ .lost = event__process_lost,
+ .read = process_read_event,
+};
- if (!size || process_event(event, offset, head) < 0) {
+static int __cmd_report(void)
+{
+ int ret = -EINVAL;
+ struct perf_session *session;
- dprintf("%p [%p]: skipping unknown header type: %d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->header.type);
+ session = perf_session__new(input_name, O_RDONLY, force);
+ if (session == NULL)
+ return -ENOMEM;
- total_unknown++;
+ if (show_threads)
+ perf_read_values_init(&show_threads_values);
- /*
- * assume we lost track of the stream, check alignment, and
- * increment a single u64 in the hope to catch on again 'soon'.
- */
+ ret = perf_session__setup_sample_type(session);
+ if (ret)
+ goto out_delete;
- if (unlikely(head & 7))
- head &= ~7ULL;
+ ret = perf_session__process_events(session, &event_ops);
+ if (ret)
+ goto out_delete;
- size = 8;
+ if (dump_trace) {
+ event__print_totals();
+ goto out_delete;
}
- head += size;
-
- if (offset + head >= header->data_offset + header->data_size)
- goto done;
-
- if (offset + head < (unsigned long)stat.st_size)
- goto more;
-
-done:
- rc = EXIT_SUCCESS;
- close(input);
-
- dprintf(" IP events: %10ld\n", total);
- dprintf(" mmap events: %10ld\n", total_mmap);
- dprintf(" comm events: %10ld\n", total_comm);
- dprintf(" fork events: %10ld\n", total_fork);
- dprintf(" lost events: %10ld\n", total_lost);
- dprintf(" unknown events: %10ld\n", total_unknown);
-
- if (dump_trace)
- return 0;
-
- if (verbose >= 3)
- threads__fprintf(stdout);
+ if (verbose > 3)
+ perf_session__fprintf(session, stdout);
- if (verbose >= 2)
+ if (verbose > 2)
dsos__fprintf(stdout);
- collapse__resort();
- output__resort(total);
- output__fprintf(stdout, total);
+ perf_session__collapse_resort(session);
+ perf_session__output_resort(session, session->events_stats.total);
+ fprintf(stdout, "# Samples: %Ld\n#\n", session->events_stats.total);
+ perf_session__fprintf_hists(session, NULL, false, stdout);
+ if (sort_order == default_sort_order &&
+ parent_pattern == default_parent_pattern)
+ fprintf(stdout, "#\n# (For a higher level overview, try: perf report --sort comm,dso)\n#\n");
- return rc;
+ if (show_threads) {
+ bool raw_printing_style = !strcmp(pretty_printing_style, "raw");
+ perf_read_values_display(stdout, &show_threads_values,
+ raw_printing_style);
+ perf_read_values_destroy(&show_threads_values);
+ }
+out_delete:
+ perf_session__delete(session);
+ return ret;
}
static int
parse_callchain_opt(const struct option *opt __used, const char *arg,
- int unset __used)
+ int unset)
{
char *tok;
char *endptr;
- callchain = 1;
+ /*
+ * --no-call-graph
+ */
+ if (unset) {
+ dont_use_callchains = true;
+ return 0;
+ }
+
+ symbol_conf.use_callchain = true;
if (!arg)
return 0;
else if (!strncmp(tok, "none", strlen(arg))) {
callchain_param.mode = CHAIN_NONE;
- callchain = 0;
+ symbol_conf.use_callchain = false;
return 0;
}
"be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
- OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
- OPT_BOOLEAN('m', "modules", &modules,
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
+ OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
"load module symbols - WARNING: use only with -k and LIVE kernel"),
- OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples,
+ OPT_BOOLEAN('n', "show-nr-samples", &symbol_conf.show_nr_samples,
"Show a column with the number of samples"),
+ OPT_BOOLEAN('T', "threads", &show_threads,
+ "Show per-thread event counters"),
+ OPT_STRING(0, "pretty", &pretty_printing_style, "key",
+ "pretty printing style key: normal raw"),
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
"sort by key(s): pid, comm, dso, symbol, parent"),
- OPT_BOOLEAN('P', "full-paths", &full_paths,
+ OPT_BOOLEAN('P', "full-paths", &symbol_conf.full_paths,
"Don't shorten the pathnames taking into account the cwd"),
OPT_STRING('p', "parent", &parent_pattern, "regex",
"regex filter to identify parent, see: '--sort parent'"),
- OPT_BOOLEAN('x', "exclude-other", &exclude_other,
+ OPT_BOOLEAN('x', "exclude-other", &symbol_conf.exclude_other,
"Only display entries with parent-match"),
OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent",
"Display callchains using output_type and min percent threshold. "
"Default: fractal,0.5", &parse_callchain_opt, callchain_default_opt),
- OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]",
+ OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
"only consider symbols in these dsos"),
- OPT_STRING('C', "comms", &comm_list_str, "comm[,comm...]",
+ OPT_STRING('C', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
"only consider symbols in these comms"),
- OPT_STRING('S', "symbols", &sym_list_str, "symbol[,symbol...]",
+ OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
"only consider these symbols"),
- OPT_STRING('w', "column-widths", &col_width_list_str,
+ OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str,
"width[,width...]",
"don't try to adjust column width, use these fixed values"),
- OPT_STRING('t', "field-separator", &field_sep, "separator",
+ OPT_STRING('t', "field-separator", &symbol_conf.field_sep, "separator",
"separator for columns, no spaces will be added between "
"columns '.' is reserved."),
+ OPT_BOOLEAN('U', "hide-unresolved", &hide_unresolved,
+ "Only display entries resolved to a symbol"),
OPT_END()
};
-static void setup_sorting(void)
-{
- char *tmp, *tok, *str = strdup(sort_order);
-
- for (tok = strtok_r(str, ", ", &tmp);
- tok; tok = strtok_r(NULL, ", ", &tmp)) {
- if (sort_dimension__add(tok) < 0) {
- error("Unknown --sort key: `%s'", tok);
- usage_with_options(report_usage, options);
- }
- }
-
- free(str);
-}
-
-static void setup_list(struct strlist **list, const char *list_str,
- struct sort_entry *se, const char *list_name,
- FILE *fp)
-{
- if (list_str) {
- *list = strlist__new(true, list_str);
- if (!*list) {
- fprintf(stderr, "problems parsing %s list\n",
- list_name);
- exit(129);
- }
- if (strlist__nr_entries(*list) == 1) {
- fprintf(fp, "# %s: %s\n", list_name,
- strlist__entry(*list, 0)->s);
- se->elide = true;
- }
- }
-}
-
int cmd_report(int argc, const char **argv, const char *prefix __used)
{
- symbol__init();
+ argc = parse_options(argc, argv, options, report_usage, 0);
- page_size = getpagesize();
+ setup_pager();
- argc = parse_options(argc, argv, options, report_usage, 0);
+ if (symbol__init() < 0)
+ return -1;
- setup_sorting();
+ setup_sorting(report_usage, options);
if (parent_pattern != default_parent_pattern) {
sort_dimension__add("parent");
sort_parent.elide = 1;
} else
- exclude_other = 0;
+ symbol_conf.exclude_other = false;
/*
* Any (unrecognized) arguments left?
if (argc)
usage_with_options(report_usage, options);
- setup_pager();
-
- setup_list(&dso_list, dso_list_str, &sort_dso, "dso", stdout);
- setup_list(&comm_list, comm_list_str, &sort_comm, "comm", stdout);
- setup_list(&sym_list, sym_list_str, &sort_sym, "symbol", stdout);
-
- if (field_sep && *field_sep == '.') {
- fputs("'.' is the only non valid --field-separator argument\n",
- stderr);
- exit(129);
- }
+ sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout);
+ sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout);
+ sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout);
return __cmd_report();
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff