#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/process_events.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 unsigned long page_size;
-static unsigned long mmap_window = 32;
-
struct sym_hist {
u64 sum;
u64 ip[0];
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 hist_entry__add(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 = __hist_entry__add(al, NULL, count, &hit);
if (he == NULL)
return -ENOMEM;
- hist_hit(he, ip);
+ hist_hit(he, al->addr);
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 __used)
{
- 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) {
+ struct addr_location al;
+
+ dump_printf("(IP, %d): %d: %p\n", event->header.misc,
+ event->ip.pid, (void *)(long)event->ip.ip);
+
+ if (event__preprocess_sample(event, &al, symbol_filter) < 0) {
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, symbol_filter);
- 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)) {
+ if (hist_entry__add(&al, 1)) {
fprintf(stderr, "problem incrementing symbol count, "
"skipping event\n");
return -1;
}
- total++;
-
- return 0;
-}
-
-static int
-process_comm_event(event_t *event, unsigned long offset, unsigned long head)
-{
- struct thread *thread = threads__findnew(event->comm.pid);
-
- dump_printf("%p [%p]: PERF_RECORD_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)) {
- dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
- return -1;
- }
- total_comm++;
-
- 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_task_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:
- return -1;
- }
return 0;
}
}
}
+static struct perf_event_ops event_ops = {
+ .process_sample_event = process_sample_event,
+ .process_mmap_event = event__process_mmap,
+ .process_comm_event = event__process_comm,
+ .process_fork_event = 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);
- }
-
-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++;
+ struct perf_session *session = perf_session__new(input_name, O_RDONLY,
+ force);
+ int ret;
- /*
- * assume we lost track of the stream, check alignment, and
- * increment a single u64 in the hope to catch on again 'soon'.
- */
+ 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);
dsos__fprintf(stdout);
collapse__resort();
- output__resort(total);
+ output__resort(event__total[0]);
find_annotations();
+out_delete:
+ perf_session__delete(session);
- return rc;
+ return ret;
}
static const char * const annotate_usage[] = {
if (symbol__init(&symbol_conf) < 0)
return -1;
- page_size = getpagesize();
-
argc = parse_options(argc, argv, options, annotate_usage, 0);
setup_sorting();
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff