#include "util/cache.h"
#include <linux/rbtree.h>
#include "util/symbol.h"
-#include "util/string.h"
#include "perf.h"
#include "util/debug.h"
+#include "util/event.h"
#include "util/parse-options.h"
#include "util/parse-events.h"
#include "util/thread.h"
+#include "util/sort.h"
+#include "util/hist.h"
+#include "util/session.h"
static char const *input_name = "perf.data";
-static char default_sort_order[] = "comm,symbol";
-static char *sort_order = default_sort_order;
+static bool force;
-static int force;
-static int input;
-static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
+static bool full_paths;
-static int full_paths;
-
-static int print_line;
-
-static unsigned long page_size;
-static unsigned long mmap_window = 32;
-
-static struct rb_root threads;
-static struct thread *last_match;
+static bool print_line;
+struct sym_hist {
+ u64 sum;
+ u64 ip[0];
+};
struct sym_ext {
struct rb_node node;
char *path;
};
-/*
- * 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;
- u64 ip;
- char level;
-
- uint32_t count;
-};
-
-/*
- * configurable sorting bits
- */
-
-struct sort_entry {
- struct list_head list;
-
- const 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 *);
-};
-
-/* --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)
-{
- return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid);
-}
-
-static struct sort_entry sort_thread = {
- .header = " Command: Pid",
- .cmp = sort__thread_cmp,
- .print = sort__thread_print,
-};
-
-/* --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) {
- if (!comm_l && !comm_r)
- return 0;
- else if (!comm_l)
- return -1;
- else
- return 1;
- }
-
- return strcmp(comm_l, comm_r);
-}
-
-static size_t
-sort__comm_print(FILE *fp, struct hist_entry *self)
-{
- return fprintf(fp, "%16s", self->thread->comm);
-}
-
-static struct sort_entry sort_comm = {
- .header = " Command",
- .cmp = sort__comm_cmp,
- .collapse = sort__comm_collapse,
- .print = sort__comm_print,
-};
-
-/* --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) {
- if (!dso_l && !dso_r)
- return 0;
- else if (!dso_l)
- return -1;
- else
- return 1;
- }
-
- return strcmp(dso_l->name, dso_r->name);
-}
-
-static size_t
-sort__dso_print(FILE *fp, struct hist_entry *self)
-{
- if (self->dso)
- return fprintf(fp, "%-25s", self->dso->name);
-
- return fprintf(fp, "%016llx ", (u64)self->ip);
-}
-
-static struct sort_entry sort_dso = {
- .header = "Shared Object ",
- .cmp = sort__dso_cmp,
- .print = sort__dso_print,
+struct sym_priv {
+ struct sym_hist *hist;
+ struct sym_ext *ext;
};
-/* --sort symbol */
+static const char *sym_hist_filter;
-static int64_t
-sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
+static int sym__alloc_hist(struct symbol *self)
{
- 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;
+ struct sym_priv *priv = symbol__priv(self);
+ const int size = (sizeof(*priv->hist) +
+ (self->end - self->start) * sizeof(u64));
- return (int64_t)(ip_r - ip_l);
-}
-
-static size_t
-sort__sym_print(FILE *fp, struct hist_entry *self)
-{
- size_t ret = 0;
-
- if (verbose)
- ret += fprintf(fp, "%#018llx ", (u64)self->ip);
-
- if (self->sym) {
- ret += fprintf(fp, "[%c] %s",
- self->dso == kernel_dso ? 'k' : '.', self->sym->name);
- } else {
- ret += fprintf(fp, "%#016llx", (u64)self->ip);
- }
-
- return ret;
-}
-
-static struct sort_entry sort_sym = {
- .header = "Symbol",
- .cmp = sort__sym_cmp,
- .print = sort__sym_print,
-};
-
-static int sort__need_collapse = 0;
-
-struct sort_dimension {
- const 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, },
-};
-
-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;
-
- 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;
+ priv->hist = zalloc(size);
+ return priv->hist == NULL ? -1 : 0;
}
/*
* collect histogram counts
*/
-static void hist_hit(struct hist_entry *he, u64 ip)
+static int annotate__hist_hit(struct hist_entry *he, u64 ip)
{
unsigned int sym_size, offset;
- struct symbol *sym = he->sym;
+ struct symbol *sym = he->ms.sym;
+ struct sym_priv *priv;
+ struct sym_hist *h;
he->count++;
- if (!sym || !sym->hist)
- return;
+ if (!sym || !he->ms.map)
+ return 0;
+
+ priv = symbol__priv(sym);
+ if (priv->hist == NULL && sym__alloc_hist(sym) < 0)
+ return -ENOMEM;
sym_size = sym->end - sym->start;
offset = ip - sym->start;
+ pr_debug3("%s: ip=%#Lx\n", __func__, he->ms.map->unmap_ip(he->ms.map, ip));
+
if (offset >= sym_size)
- return;
+ return 0;
- sym->hist_sum++;
- sym->hist[offset]++;
+ h = priv->hist;
+ h->sum++;
+ h->ip[offset]++;
- if (verbose >= 3)
- printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n",
- (void *)(unsigned long)he->sym->start,
- he->sym->name,
- (void *)(unsigned long)ip, ip - he->sym->start,
- sym->hist[offset]);
+ pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->ms.sym->start,
+ he->ms.sym->name, ip, ip - he->ms.sym->start, h->ip[offset]);
+ return 0;
}
-static int
-hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
- struct symbol *sym, u64 ip, char level)
+static int perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al, u64 count)
{
- struct rb_node **p = &hist.rb_node;
- struct rb_node *parent = NULL;
+ bool hit;
struct hist_entry *he;
- struct hist_entry entry = {
- .thread = thread,
- .map = map,
- .dso = dso,
- .sym = sym,
- .ip = ip,
- .level = level,
- .count = 1,
- };
- int cmp;
-
- while (*p != NULL) {
- parent = *p;
- he = rb_entry(parent, struct hist_entry, rb_node);
- cmp = hist_entry__cmp(&entry, he);
-
- if (!cmp) {
- hist_hit(he, ip);
-
- return 0;
+ if (sym_hist_filter != NULL &&
+ (al->sym == NULL || strcmp(sym_hist_filter, al->sym->name) != 0)) {
+ /* We're only interested in a symbol named sym_hist_filter */
+ if (al->sym != NULL) {
+ rb_erase(&al->sym->rb_node,
+ &al->map->dso->symbols[al->map->type]);
+ symbol__delete(al->sym);
}
-
- if (cmp < 0)
- p = &(*p)->rb_left;
- else
- p = &(*p)->rb_right;
+ return 0;
}
- he = malloc(sizeof(*he));
- if (!he)
+ he = __perf_session__add_hist_entry(&self->hists, al, NULL, count, &hit);
+ if (he == NULL)
return -ENOMEM;
- *he = entry;
- 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)
-{
- struct rb_node **p = &output_hists.rb_node;
- struct rb_node *parent = NULL;
- struct hist_entry *iter;
-
- 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);
+ return annotate__hist_hit(he, al->addr);
}
-static void output__resort(void)
+static int process_sample_event(event_t *event, struct perf_session *session)
{
- struct rb_node *next;
- struct hist_entry *n;
- struct rb_root *tree = &hist;
-
- 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);
- }
-}
+ struct addr_location al;
-static void register_idle_thread(void)
-{
- struct thread *thread = threads__findnew(0, &threads, &last_match);
+ dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc,
+ event->ip.pid, event->ip.ip);
- 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;
-
-static int
-process_sample_event(event_t *event, unsigned long offset, unsigned long head)
-{
- char level;
- int show = 0;
- struct dso *dso = NULL;
- struct thread *thread;
- u64 ip = event->ip.ip;
- struct map *map = NULL;
-
- thread = threads__findnew(event->ip.pid, &threads, &last_match);
-
- dump_printf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->header.misc,
- event->ip.pid,
- (void *)(long)ip);
-
- dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
-
- if (thread == NULL) {
- fprintf(stderr, "problem processing %d event, skipping it.\n",
- event->header.type);
+ if (event__preprocess_sample(event, session, &al, NULL) < 0) {
+ pr_warning("problem processing %d event, skipping it.\n",
+ event->header.type);
return -1;
}
- if (event->header.misc & PERF_EVENT_MISC_KERNEL) {
- show = SHOW_KERNEL;
- level = 'k';
-
- dso = kernel_dso;
-
- dump_printf(" ...... dso: %s\n", dso->name);
-
- } else if (event->header.misc & PERF_EVENT_MISC_USER) {
-
- show = SHOW_USER;
- level = '.';
-
- map = thread__find_map(thread, ip);
- if (map != NULL) {
- 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;
- }
- dump_printf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
-
- } else {
- show = SHOW_HV;
- level = 'H';
- dump_printf(" ...... dso: [hypervisor]\n");
- }
-
- if (show & show_mask) {
- struct symbol *sym = NULL;
-
- if (dso)
- sym = dso->find_symbol(dso, ip);
-
- if (hist_entry__add(thread, map, dso, sym, ip, level)) {
- fprintf(stderr,
- "problem incrementing symbol count, skipping event\n");
- return -1;
- }
+ if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) {
+ pr_warning("problem incrementing symbol count, "
+ "skipping event\n");
+ return -1;
}
- total++;
return 0;
}
-static int
-process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct thread *thread;
- struct map *map = map__new(&event->mmap, NULL, 0);
-
- thread = threads__findnew(event->mmap.pid, &threads, &last_match);
-
- dump_printf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->mmap.pid,
- (void *)(long)event->mmap.start,
- (void *)(long)event->mmap.len,
- (void *)(long)event->mmap.pgoff,
- event->mmap.filename);
-
- if (thread == NULL || map == NULL) {
- dump_printf("problem processing PERF_EVENT_MMAP, skipping event.\n");
- return 0;
- }
-
- thread__insert_map(thread, map);
- total_mmap++;
-
- return 0;
-}
+struct objdump_line {
+ struct list_head node;
+ s64 offset;
+ char *line;
+};
-static int
-process_comm_event(event_t *event, unsigned long offset, unsigned long head)
+static struct objdump_line *objdump_line__new(s64 offset, char *line)
{
- struct thread *thread;
-
- thread = threads__findnew(event->comm.pid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->comm.comm, event->comm.pid);
+ struct objdump_line *self = malloc(sizeof(*self));
- if (thread == NULL ||
- thread__set_comm(thread, event->comm.comm)) {
- dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n");
- return -1;
+ if (self != NULL) {
+ self->offset = offset;
+ self->line = line;
}
- total_comm++;
- return 0;
+ return self;
}
-static int
-process_fork_event(event_t *event, unsigned long offset, unsigned long head)
+static void objdump_line__free(struct objdump_line *self)
{
- struct thread *thread;
- struct thread *parent;
-
- thread = threads__findnew(event->fork.pid, &threads, &last_match);
- parent = threads__findnew(event->fork.ppid, &threads, &last_match);
- dump_printf("%p [%p]: PERF_EVENT_FORK: %d:%d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->fork.pid, event->fork.ppid);
-
- /*
- * A thread clone will have the same PID for both
- * parent and child.
- */
- if (thread == parent)
- return 0;
-
- if (!thread || !parent || thread__fork(thread, parent)) {
- dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n");
- return -1;
- }
- total_fork++;
-
- return 0;
+ free(self->line);
+ free(self);
}
-static int
-process_event(event_t *event, unsigned long offset, unsigned long head)
+static void objdump__add_line(struct list_head *head, struct objdump_line *line)
{
- 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:
- return process_fork_event(event, offset, head);
- /*
- * We dont process them right now but they are fine:
- */
-
- case PERF_EVENT_THROTTLE:
- case PERF_EVENT_UNTHROTTLE:
- return 0;
+ list_add_tail(&line->node, head);
+}
- default:
- return -1;
- }
+static struct objdump_line *objdump__get_next_ip_line(struct list_head *head,
+ struct objdump_line *pos)
+{
+ list_for_each_entry_continue(pos, head, node)
+ if (pos->offset >= 0)
+ return pos;
- return 0;
+ return NULL;
}
-static int
-parse_line(FILE *file, struct symbol *sym, u64 start, u64 len)
+static int parse_line(FILE *file, struct hist_entry *he,
+ struct list_head *head)
{
+ struct symbol *sym = he->ms.sym;
+ struct objdump_line *objdump_line;
char *line = NULL, *tmp, *tmp2;
- static const char *prev_line;
- static const char *prev_color;
- unsigned int offset;
size_t line_len;
- s64 line_ip;
- int ret;
+ s64 line_ip, offset = -1;
char *c;
if (getline(&line, &line_len, file) < 0)
return -1;
+
if (!line)
return -1;
*c = 0;
line_ip = -1;
- offset = 0;
- ret = -2;
/*
* Strip leading spaces:
}
if (line_ip != -1) {
+ u64 start = map__rip_2objdump(he->ms.map, sym->start);
+ offset = line_ip - start;
+ }
+
+ objdump_line = objdump_line__new(offset, line);
+ if (objdump_line == NULL) {
+ free(line);
+ return -1;
+ }
+ objdump__add_line(head, objdump_line);
+
+ return 0;
+}
+
+static int objdump_line__print(struct objdump_line *self,
+ struct list_head *head,
+ struct hist_entry *he, u64 len)
+{
+ struct symbol *sym = he->ms.sym;
+ static const char *prev_line;
+ static const char *prev_color;
+
+ if (self->offset != -1) {
const char *path = NULL;
unsigned int hits = 0;
double percent = 0.0;
const char *color;
- struct sym_ext *sym_ext = sym->priv;
-
- offset = line_ip - start;
- if (offset < len)
- hits = sym->hist[offset];
+ struct sym_priv *priv = symbol__priv(sym);
+ struct sym_ext *sym_ext = priv->ext;
+ struct sym_hist *h = priv->hist;
+ s64 offset = self->offset;
+ struct objdump_line *next = objdump__get_next_ip_line(head, self);
+
+ while (offset < (s64)len &&
+ (next == NULL || offset < next->offset)) {
+ if (sym_ext) {
+ if (path == NULL)
+ path = sym_ext[offset].path;
+ percent += sym_ext[offset].percent;
+ } else
+ hits += h->ip[offset];
+
+ ++offset;
+ }
- if (offset < len && sym_ext) {
- path = sym_ext[offset].path;
- percent = sym_ext[offset].percent;
- } else if (sym->hist_sum)
- percent = 100.0 * hits / sym->hist_sum;
+ if (sym_ext == NULL && h->sum)
+ percent = 100.0 * hits / h->sum;
color = get_percent_color(percent);
color_fprintf(stdout, color, " %7.2f", percent);
printf(" : ");
- color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", line);
+ color_fprintf(stdout, PERF_COLOR_BLUE, "%s\n", self->line);
} else {
- if (!*line)
+ if (!*self->line)
printf(" :\n");
else
- printf(" : %s\n", line);
+ printf(" : %s\n", self->line);
}
return 0;
rb_insert_color(&sym_ext->node, &root_sym_ext);
}
-static void free_source_line(struct symbol *sym, int len)
+static void free_source_line(struct hist_entry *he, int len)
{
- struct sym_ext *sym_ext = sym->priv;
+ struct sym_priv *priv = symbol__priv(he->ms.sym);
+ struct sym_ext *sym_ext = priv->ext;
int i;
if (!sym_ext)
free(sym_ext[i].path);
free(sym_ext);
- sym->priv = NULL;
+ priv->ext = NULL;
root_sym_ext = RB_ROOT;
}
/* Get the filename:line for the colored entries */
static void
-get_source_line(struct symbol *sym, u64 start, int len, const char *filename)
+get_source_line(struct hist_entry *he, int len, const char *filename)
{
+ struct symbol *sym = he->ms.sym;
+ u64 start;
int i;
char cmd[PATH_MAX * 2];
struct sym_ext *sym_ext;
+ struct sym_priv *priv = symbol__priv(sym);
+ struct sym_hist *h = priv->hist;
- if (!sym->hist_sum)
+ if (!h->sum)
return;
- sym->priv = calloc(len, sizeof(struct sym_ext));
- if (!sym->priv)
+ sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext));
+ if (!priv->ext)
return;
- sym_ext = sym->priv;
+ start = he->ms.map->unmap_ip(he->ms.map, sym->start);
for (i = 0; i < len; i++) {
char *path = NULL;
u64 offset;
FILE *fp;
- sym_ext[i].percent = 100.0 * sym->hist[i] / sym->hist_sum;
+ sym_ext[i].percent = 100.0 * h->ip[i] / h->sum;
if (sym_ext[i].percent <= 0.5)
continue;
}
}
-static void annotate_sym(struct dso *dso, struct symbol *sym)
+static void hist_entry__print_hits(struct hist_entry *self)
{
- const char *filename = dso->name, *d_filename;
- u64 start, end, len;
+ struct symbol *sym = self->ms.sym;
+ struct sym_priv *priv = symbol__priv(sym);
+ struct sym_hist *h = priv->hist;
+ u64 len = sym->end - sym->start, offset;
+
+ for (offset = 0; offset < len; ++offset)
+ if (h->ip[offset] != 0)
+ printf("%*Lx: %Lu\n", BITS_PER_LONG / 2,
+ sym->start + offset, h->ip[offset]);
+ printf("%*s: %Lu\n", BITS_PER_LONG / 2, "h->sum", h->sum);
+}
+
+static void annotate_sym(struct hist_entry *he)
+{
+ struct map *map = he->ms.map;
+ struct dso *dso = map->dso;
+ struct symbol *sym = he->ms.sym;
+ const char *filename = dso->long_name, *d_filename;
+ u64 len;
char command[PATH_MAX*2];
FILE *file;
+ LIST_HEAD(head);
+ struct objdump_line *pos, *n;
if (!filename)
return;
- if (sym->module)
- filename = sym->module->path;
- else if (dso == kernel_dso)
- filename = vmlinux_name;
-
- start = sym->obj_start;
- if (!start)
- start = sym->start;
+
+ if (dso->origin == DSO__ORIG_KERNEL) {
+ if (dso->annotate_warned)
+ return;
+ dso->annotate_warned = 1;
+ pr_err("Can't annotate %s: No vmlinux file was found in the "
+ "path:\n", sym->name);
+ vmlinux_path__fprintf(stderr);
+ return;
+ }
+
+ pr_debug("%s: filename=%s, sym=%s, start=%#Lx, end=%#Lx\n", __func__,
+ filename, sym->name, map->unmap_ip(map, sym->start),
+ map->unmap_ip(map, sym->end));
+
if (full_paths)
d_filename = filename;
else
d_filename = basename(filename);
- end = start + sym->end - sym->start + 1;
len = sym->end - sym->start;
if (print_line) {
- get_source_line(sym, start, len, filename);
+ get_source_line(he, len, filename);
print_summary(filename);
}
printf("------------------------------------------------\n");
if (verbose >= 2)
- printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name);
+ printf("annotating [%p] %30s : [%p] %30s\n",
+ dso, dso->long_name, sym, sym->name);
sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s",
- (u64)start, (u64)end, filename, filename);
+ map__rip_2objdump(map, sym->start),
+ map__rip_2objdump(map, sym->end),
+ filename, filename);
if (verbose >= 3)
printf("doing: %s\n", command);
return;
while (!feof(file)) {
- if (parse_line(file, sym, start, len) < 0)
+ if (parse_line(file, he, &head) < 0)
break;
}
pclose(file);
- if (print_line)
- free_source_line(sym, len);
-}
-static void find_annotations(void)
-{
- struct rb_node *nd;
- struct dso *dso;
- int count = 0;
-
- list_for_each_entry(dso, &dsos, node) {
-
- for (nd = rb_first(&dso->syms); nd; nd = rb_next(nd)) {
- struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
+ if (verbose)
+ hist_entry__print_hits(he);
- if (sym->hist) {
- annotate_sym(dso, sym);
- count++;
- }
- }
+ list_for_each_entry_safe(pos, n, &head, node) {
+ objdump_line__print(pos, &head, he, len);
+ list_del(&pos->node);
+ objdump_line__free(pos);
}
- if (!count)
- printf(" Error: symbol '%s' not present amongst the samples.\n", sym_hist_filter);
+ if (print_line)
+ free_source_line(he, len);
}
-static int __cmd_annotate(void)
+static void perf_session__find_annotations(struct perf_session *self)
{
- int ret, rc = EXIT_FAILURE;
- unsigned long offset = 0;
- unsigned long head = 0;
- struct stat input_stat;
- event_t *event;
- uint32_t size;
- char *buf;
-
- register_idle_thread();
-
- input = open(input_name, O_RDONLY);
- if (input < 0) {
- perror("failed to open file");
- exit(-1);
- }
-
- ret = fstat(input, &input_stat);
- if (ret < 0) {
- perror("failed to stat file");
- exit(-1);
- }
-
- if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) {
- fprintf(stderr, "file: %s not owned by current user or root\n", input_name);
- exit(-1);
- }
-
- if (!input_stat.st_size) {
- fprintf(stderr, "zero-sized file, nothing to do!\n");
- exit(0);
- }
-
- if (load_kernel() < 0) {
- perror("failed to load kernel symbols");
- return EXIT_FAILURE;
- }
-
-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) {
- unsigned long shift = page_size * (head / page_size);
- int munmap_ret;
-
- munmap_ret = munmap(buf, page_size * mmap_window);
- assert(munmap_ret == 0);
-
- offset += shift;
- head -= shift;
- goto remap;
- }
-
- size = event->header.size;
-
- dump_printf("%p [%p]: event: %d\n",
- (void *)(offset + head),
- (void *)(long)event->header.size,
- event->header.type);
+ struct rb_node *nd;
- if (!size || process_event(event, offset, head) < 0) {
+ for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
+ struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
+ struct sym_priv *priv;
- dump_printf("%p [%p]: skipping unknown header type: %d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->header.type);
+ if (he->ms.sym == NULL)
+ continue;
- total_unknown++;
+ priv = symbol__priv(he->ms.sym);
+ if (priv->hist == NULL)
+ continue;
+ annotate_sym(he);
/*
- * assume we lost track of the stream, check alignment, and
- * increment a single u64 in the hope to catch on again 'soon'.
+ * Since we have a hist_entry per IP for the same symbol, free
+ * he->ms.sym->hist to signal we already processed this symbol.
*/
-
- if (unlikely(head & 7))
- head &= ~7ULL;
-
- size = 8;
+ free(priv->hist);
+ priv->hist = NULL;
}
+}
- head += size;
-
- if (offset + head < (unsigned long)input_stat.st_size)
- goto more;
+static struct perf_event_ops event_ops = {
+ .sample = process_sample_event,
+ .mmap = event__process_mmap,
+ .comm = event__process_comm,
+ .fork = event__process_task,
+};
- rc = EXIT_SUCCESS;
- close(input);
+static int __cmd_annotate(void)
+{
+ int ret;
+ struct perf_session *session;
- dump_printf(" IP events: %10ld\n", total);
- dump_printf(" mmap events: %10ld\n", total_mmap);
- dump_printf(" comm events: %10ld\n", total_comm);
- dump_printf(" fork events: %10ld\n", total_fork);
- dump_printf(" unknown events: %10ld\n", total_unknown);
+ session = perf_session__new(input_name, O_RDONLY, force);
+ if (session == NULL)
+ return -ENOMEM;
- if (dump_trace)
- return 0;
+ ret = perf_session__process_events(session, &event_ops);
+ if (ret)
+ goto out_delete;
- if (verbose >= 3)
- threads__fprintf(stdout, &threads);
+ if (dump_trace) {
+ event__print_totals();
+ goto out_delete;
+ }
- if (verbose >= 2)
- dsos__fprintf(stdout);
+ if (verbose > 3)
+ perf_session__fprintf(session, stdout);
- collapse__resort();
- output__resort();
+ if (verbose > 2)
+ dsos__fprintf(&session->machines, stdout);
- find_annotations();
+ perf_session__collapse_resort(&session->hists);
+ perf_session__output_resort(&session->hists, session->event_total[0]);
+ perf_session__find_annotations(session);
+out_delete:
+ perf_session__delete(session);
- return rc;
+ return ret;
}
static const char * const annotate_usage[] = {
static const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
+ OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
+ "only consider symbols in these dsos"),
OPT_STRING('s', "symbol", &sym_hist_filter, "symbol",
"symbol to annotate"),
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
- OPT_BOOLEAN('v', "verbose", &verbose,
+ OPT_INCR('v', "verbose", &verbose,
"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_name, "file", "vmlinux pathname"),
- OPT_BOOLEAN('m', "modules", &modules,
+ OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
+ "file", "vmlinux pathname"),
+ OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules,
"load module symbols - WARNING: use only with -k and LIVE kernel"),
OPT_BOOLEAN('l', "print-line", &print_line,
"print matching source lines (may be slow)"),
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(annotate_usage, options);
- }
- }
-
- free(str);
-}
-
int cmd_annotate(int argc, const char **argv, const char *prefix __used)
{
- symbol__init();
+ argc = parse_options(argc, argv, options, annotate_usage, 0);
- page_size = getpagesize();
+ symbol_conf.priv_size = sizeof(struct sym_priv);
+ symbol_conf.try_vmlinux_path = true;
- argc = parse_options(argc, argv, options, annotate_usage, 0);
+ if (symbol__init() < 0)
+ return -1;
- setup_sorting();
+ setup_sorting(annotate_usage, options);
if (argc) {
/*
sym_hist_filter = argv[0];
}
- if (!sym_hist_filter)
- usage_with_options(annotate_usage, options);
-
setup_pager();
+ if (field_sep && *field_sep == '.') {
+ pr_err("'.' is the only non valid --field-separator argument\n");
+ return -1;
+ }
+
return __cmd_annotate();
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff