#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 int force;
-static int input;
static int full_paths;
static int print_line;
-static bool use_modules;
-
-static unsigned long page_size;
-static unsigned long mmap_window = 32;
struct sym_hist {
u64 sum;
sym_size = sym->end - sym->start;
offset = ip - sym->start;
- if (verbose)
- fprintf(stderr, "%s: ip=%Lx\n", __func__,
- he->map->unmap_ip(he->map, ip));
+ pr_debug3("%s: ip=%#Lx\n", __func__, he->map->unmap_ip(he->map, ip));
if (offset >= sym_size)
return;
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,
- h->ip[offset]);
+ pr_debug3("%#Lx %s: count++ [ip: %#Lx, %#Lx] => %Ld\n", he->sym->start,
+ he->sym->name, ip, ip - he->sym->start, h->ip[offset]);
}
-static int hist_entry__add(struct thread *thread, struct map *map,
- struct symbol *sym, u64 ip, u64 count, char level)
+static int perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al, u64 count)
{
bool hit;
- struct hist_entry *he = __hist_entry__add(thread, map, sym, NULL, ip,
- count, level, &hit);
+ struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL,
+ count, &hit);
if (he == NULL)
return -ENOMEM;
- hist_hit(he, ip);
- return 0;
-}
-
-static int
-process_sample_event(event_t *event, unsigned long offset, unsigned long head)
-{
- char level;
- u64 ip = event->ip.ip;
- struct map *map = NULL;
- struct symbol *sym = NULL;
- struct thread *thread = threads__findnew(event->ip.pid);
-
- 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);
-
- if (thread == NULL) {
- fprintf(stderr, "problem processing %d event, skipping it.\n",
- event->header.type);
- return -1;
- }
-
- dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
-
- if (event->header.misc & PERF_RECORD_MISC_KERNEL) {
- level = 'k';
- sym = kernel_maps__find_symbol(ip, &map);
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- } else if (event->header.misc & PERF_RECORD_MISC_USER) {
- level = '.';
- map = thread__find_map(thread, ip);
- if (map != NULL) {
-got_map:
- ip = map->map_ip(map, ip);
- sym = map__find_symbol(map, ip, symbol_filter);
- } 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 or vdso (which executes in user-mode).
- *
- * XXX This is nasty, we should have a symbol list in
- * the "[vdso]" dso, but for now lets use the old
- * trick of looking in the whole kernel symbol list.
- */
- if ((long long)ip < 0) {
- map = kernel_map;
- goto got_map;
- }
- }
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- } else {
- level = 'H';
- dump_printf(" ...... dso: [hypervisor]\n");
- }
-
- if (hist_entry__add(thread, map, sym, ip, 1, level)) {
- fprintf(stderr, "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 map *map = map__new(&event->mmap, NULL, 0);
- struct thread *thread = threads__findnew(event->mmap.pid);
-
- dump_printf("%p [%p]: PERF_RECORD_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_RECORD_MMAP, skipping event.\n");
- return 0;
- }
-
- thread__insert_map(thread, map);
- total_mmap++;
-
+ hist_hit(he, al->addr);
return 0;
}
-static int
-process_comm_event(event_t *event, unsigned long offset, unsigned long head)
+static int process_sample_event(event_t *event, struct perf_session *session)
{
- struct thread *thread = threads__findnew(event->comm.pid);
+ struct addr_location al;
- dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->comm.comm, event->comm.pid);
+ dump_printf("(IP, %d): %d: %#Lx\n", event->header.misc,
+ event->ip.pid, event->ip.ip);
- if (thread == NULL ||
- thread__set_comm(thread, event->comm.comm)) {
- dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
+ if (event__preprocess_sample(event, session, &al, symbol_filter) < 0) {
+ pr_warning("problem processing %d event, skipping it.\n",
+ event->header.type);
return -1;
}
- total_comm++;
-
- return 0;
-}
-
-static int
-process_fork_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);
-
- dump_printf("%p [%p]: PERF_RECORD_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_RECORD_FORK, skipping event.\n");
- return -1;
- }
- total_fork++;
-
- return 0;
-}
-
-static int
-process_event(event_t *event, unsigned long offset, unsigned long head)
-{
- switch (event->header.type) {
- case PERF_RECORD_SAMPLE:
- return process_sample_event(event, offset, head);
-
- case PERF_RECORD_MMAP:
- return process_mmap_event(event, offset, head);
-
- case PERF_RECORD_COMM:
- return process_comm_event(event, offset, head);
-
- case PERF_RECORD_FORK:
- return process_fork_event(event, offset, head);
- /*
- * We dont process them right now but they are fine:
- */
-
- case PERF_RECORD_THROTTLE:
- case PERF_RECORD_UNTHROTTLE:
- return 0;
- default:
+ if (!al.filtered && perf_session__add_hist_entry(session, &al, 1)) {
+ pr_warning("problem incrementing symbol count, "
+ "skipping event\n");
return -1;
}
line_ip = -1;
}
- start = he->map->unmap_ip(he->map, sym->start);
+ start = map__rip_2objdump(he->map, sym->start);
if (line_ip != -1) {
const char *path = NULL;
if (!filename)
return;
- if (verbose)
- fprintf(stderr, "%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));
+ 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;
dso, dso->long_name, sym, sym->name);
sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s",
- map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end),
+ map__rip_2objdump(map, sym->start),
+ map__rip_2objdump(map, sym->end),
filename, filename);
if (verbose >= 3)
free_source_line(he, len);
}
-static void find_annotations(void)
+static void perf_session__find_annotations(struct perf_session *self)
{
struct rb_node *nd;
- for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) {
+ 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;
}
}
+static struct perf_event_ops event_ops = {
+ .sample = process_sample_event,
+ .mmap = event__process_mmap,
+ .comm = event__process_comm,
+ .fork = event__process_task,
+};
+
static int __cmd_annotate(void)
{
- 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(symbol_filter, use_modules) < 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);
-
- if (!size || process_event(event, offset, head) < 0) {
-
- dump_printf("%p [%p]: skipping unknown header type: %d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->header.type);
-
- total_unknown++;
+ int ret;
+ struct perf_session *session;
- /*
- * assume we lost track of the stream, check alignment, and
- * increment a single u64 in the hope to catch on again 'soon'.
- */
+ session = perf_session__new(input_name, O_RDONLY, force);
+ if (session == NULL)
+ return -ENOMEM;
- 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 < (unsigned long)input_stat.st_size)
- goto more;
-
- rc = EXIT_SUCCESS;
- close(input);
-
- 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);
-
- if (dump_trace)
- return 0;
-
if (verbose > 3)
- threads__fprintf(stdout);
+ perf_session__fprintf(session, stdout);
if (verbose > 2)
dsos__fprintf(stdout);
- collapse__resort();
- output__resort(total);
-
- find_annotations();
+ perf_session__collapse_resort(session);
+ perf_session__output_resort(session, 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[] = {
"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", &use_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(sizeof(struct sym_priv));
+ 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) {
/*
setup_pager();
if (field_sep && *field_sep == '.') {
- fputs("'.' is the only non valid --field-separator argument\n",
- stderr);
- exit(129);
+ 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