static char const *input_name = "perf.data";
static char *vmlinux = NULL;
-static char *sort_order = "comm,dso";
+
+static char default_sort_order[] = "comm,dso";
+static char *sort_order = default_sort_order;
+
static int input;
static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
__u64 ip;
__u32 pid, tid;
};
+
struct mmap_event {
struct perf_event_header header;
__u32 pid, tid;
__u64 pgoff;
char filename[PATH_MAX];
};
+
struct comm_event {
struct perf_event_header header;
- __u32 pid,tid;
+ __u32 pid, tid;
char comm[16];
};
if (!dso)
goto out_delete_dso;
- nr = dso__load(dso, NULL);
+ nr = dso__load(dso, NULL, verbose);
if (nr < 0) {
- fprintf(stderr, "Failed to open: %s\n", name);
+ if (verbose)
+ fprintf(stderr, "Failed to open: %s\n", name);
goto out_delete_dso;
}
if (!nr && verbose) {
if (!kernel_dso)
return -1;
- err = dso__load_kernel(kernel_dso, vmlinux, NULL);
+ err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose);
if (err) {
dso__delete(kernel_dso);
kernel_dso = NULL;
return err;
}
-static int strcommon(const char *pathname, const char *cwd, int cwdlen)
+static char __cwd[PATH_MAX];
+static char *cwd = __cwd;
+static int cwdlen;
+
+static int strcommon(const char *pathname)
{
int n = 0;
struct dso *dso;
};
-static struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen)
+static struct map *map__new(struct mmap_event *event)
{
struct map *self = malloc(sizeof(*self));
char newfilename[PATH_MAX];
if (cwd) {
- int n = strcommon(filename, cwd, cwdlen);
+ int n = strcommon(filename);
+
if (n == cwdlen) {
snprintf(newfilename, sizeof(newfilename),
".%s", filename + n);
static size_t
sort__thread_print(FILE *fp, struct hist_entry *self)
{
- return fprintf(fp, " %16s:%5d", self->thread->comm ?: "", self->thread->pid);
+ return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid);
}
static struct sort_entry sort_thread = {
- .header = " Command: Pid ",
+ .header = " Command: Pid",
.cmp = sort__thread_cmp,
.print = sort__thread_print,
};
static size_t
sort__comm_print(FILE *fp, struct hist_entry *self)
{
- return fprintf(fp, " %16s", self->thread->comm);
+ return fprintf(fp, "%16s", self->thread->comm);
}
static struct sort_entry sort_comm = {
- .header = " Command",
+ .header = " Command",
.cmp = sort__comm_cmp,
.collapse = sort__comm_collapse,
.print = sort__comm_print,
sort__dso_print(FILE *fp, struct hist_entry *self)
{
if (self->dso)
- return fprintf(fp, " %-25s", self->dso->name);
+ return fprintf(fp, "%-25s", self->dso->name);
- return fprintf(fp, " %016llx", (__u64)self->ip);
+ return fprintf(fp, "%016llx ", (__u64)self->ip);
}
static struct sort_entry sort_dso = {
- .header = " Shared Object ",
+ .header = "Shared Object ",
.cmp = sort__dso_cmp,
.print = sort__dso_print,
};
size_t ret = 0;
if (verbose)
- ret += fprintf(fp, " %#018llx", (__u64)self->ip);
-
- if (self->dso)
- ret += fprintf(fp, " %s: ", self->dso->name);
- else
- ret += fprintf(fp, " %#016llx: ", (__u64)self->ip);
+ ret += fprintf(fp, "%#018llx ", (__u64)self->ip);
if (self->sym)
ret += fprintf(fp, "%s", self->sym->name);
}
static struct sort_entry sort_sym = {
- .header = " Shared Object: Symbol",
+ .header = "Symbol",
.cmp = sort__sym_cmp,
.print = sort__sym_print,
};
} else
ret = fprintf(fp, "%12d ", self->count);
- list_for_each_entry(se, &hist_entry__sort_list, list)
+ list_for_each_entry(se, &hist_entry__sort_list, list) {
+ fprintf(fp, " ");
ret += se->print(fp, self);
+ }
ret += fprintf(fp, "\n");
{
struct rb_node *next;
struct hist_entry *n;
+ struct rb_root *tree = &hist;
if (sort__need_collapse)
- next = rb_first(&collapse_hists);
- else
- next = rb_first(&hist);
+ 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, &hist);
+ rb_erase(&n->rb_node, tree);
output__insert_entry(n);
}
}
struct rb_node *nd;
size_t ret = 0;
+ fprintf(fp, "\n");
+ fprintf(fp, "#\n");
+ fprintf(fp, "# (%Ld profiler events)\n", (__u64)total_samples);
fprintf(fp, "#\n");
fprintf(fp, "# Overhead");
list_for_each_entry(se, &hist_entry__sort_list, list)
- fprintf(fp, " %s", se->header);
+ fprintf(fp, " %s", se->header);
fprintf(fp, "\n");
fprintf(fp, "# ........");
int i;
fprintf(fp, " ");
- for (i = 0; i < strlen(se->header)-1; i++)
+ for (i = 0; i < strlen(se->header); i++)
fprintf(fp, ".");
}
fprintf(fp, "\n");
ret += hist_entry__fprintf(fp, pos, total_samples);
}
+ if (!strcmp(sort_order, default_sort_order)) {
+ fprintf(fp, "#\n");
+ fprintf(fp, "# (For more details, try: perf report --sort comm,dso,symbol)\n");
+ fprintf(fp, "#\n");
+ }
+ fprintf(fp, "\n");
+
return ret;
}
}
}
+static unsigned long total = 0, total_mmap = 0, total_comm = 0, total_unknown = 0;
+
+static int
+process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
+{
+ char level;
+ int show = 0;
+ struct dso *dso = NULL;
+ struct thread *thread = threads__findnew(event->ip.pid);
+ uint64_t ip = event->ip.ip;
+ struct map *map = NULL;
+
+ dprintf("%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);
+
+ dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
+
+ if (thread == NULL) {
+ fprintf(stderr, "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;
+
+ dprintf(" ...... 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) {
+ dso = map->dso;
+ ip -= map->start + map->pgoff;
+ } 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>");
+
+ } else {
+ show = SHOW_HV;
+ level = 'H';
+ dprintf(" ...... dso: [hypervisor]\n");
+ }
+
+ if (show & show_mask) {
+ struct symbol *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;
+ }
+ }
+ total++;
+
+ 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: [%p(%p) @ %p]: %s\n",
+ (void *)(offset + head),
+ (void *)(long)(event->header.size),
+ (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_event(event_t *event, unsigned long offset, unsigned long head)
+{
+ if (event->header.misc & PERF_EVENT_MISC_OVERFLOW)
+ return process_overflow_event(event, offset, head);
+
+ switch (event->header.type) {
+ case PERF_EVENT_MMAP:
+ return process_mmap_event(event, offset, head);
+
+ case PERF_EVENT_COMM:
+ return process_comm_event(event, offset, head);
+
+ /*
+ * We dont process them right now but they are fine:
+ */
+ case PERF_EVENT_MUNMAP:
+ case PERF_EVENT_PERIOD:
+ case PERF_EVENT_THROTTLE:
+ case PERF_EVENT_UNTHROTTLE:
+ return 0;
+
+ default:
+ return -1;
+ }
+
+ return 0;
+}
static int __cmd_report(void)
{
+ int ret, rc = EXIT_FAILURE;
unsigned long offset = 0;
unsigned long head = 0;
struct stat stat;
- char *buf;
event_t *event;
- int ret, rc = EXIT_FAILURE;
uint32_t size;
- unsigned long total = 0, total_mmap = 0, total_comm = 0, total_unknown = 0;
- char cwd[PATH_MAX], *cwdp = cwd;
- int cwdlen;
+ char *buf;
register_idle_thread();
}
if (!full_paths) {
- if (getcwd(cwd, sizeof(cwd)) == NULL) {
+ if (getcwd(__cwd, sizeof(__cwd)) == NULL) {
perror("failed to get the current directory");
return EXIT_FAILURE;
}
cwdlen = strlen(cwd);
} else {
- cwdp = NULL;
+ cwd = NULL;
cwdlen = 0;
}
remap:
}
size = event->header.size;
- if (!size)
- goto broken_event;
-
- if (event->header.misc & PERF_EVENT_MISC_OVERFLOW) {
- char level;
- int show = 0;
- struct dso *dso = NULL;
- struct thread *thread = threads__findnew(event->ip.pid);
- uint64_t ip = event->ip.ip;
- struct map *map = NULL;
-
- dprintf("%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);
-
- dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
-
- if (thread == NULL) {
- fprintf(stderr, "problem processing %d event, skipping it.\n",
- event->header.type);
- goto broken_event;
- }
-
- if (event->header.misc & PERF_EVENT_MISC_KERNEL) {
- show = SHOW_KERNEL;
- level = 'k';
-
- dso = kernel_dso;
-
- dprintf(" ...... 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) {
- dso = map->dso;
- ip -= map->start + map->pgoff;
- } 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>");
-
- } else {
- show = SHOW_HV;
- level = 'H';
- dprintf(" ...... dso: [hypervisor]\n");
- }
- if (show & show_mask) {
- struct symbol *sym = dso__find_symbol(dso, ip);
+ if (!size || process_event(event, offset, head) < 0) {
- if (hist_entry__add(thread, map, dso, sym, ip, level)) {
- fprintf(stderr,
- "problem incrementing symbol count, skipping event\n");
- goto broken_event;
- }
- }
- total++;
- } else switch (event->header.type) {
- case PERF_EVENT_MMAP: {
- struct thread *thread = threads__findnew(event->mmap.pid);
- struct map *map = map__new(&event->mmap, cwdp, cwdlen);
-
- dprintf("%p [%p]: PERF_EVENT_MMAP: [%p(%p) @ %p]: %s\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- (void *)(long)event->mmap.start,
- (void *)(long)event->mmap.len,
- (void *)(long)event->mmap.pgoff,
- event->mmap.filename);
-
- if (thread == NULL || map == NULL) {
- if (verbose)
- fprintf(stderr, "problem processing PERF_EVENT_MMAP, skipping event.\n");
- goto broken_event;
- }
- thread__insert_map(thread, map);
- total_mmap++;
- break;
- }
- case PERF_EVENT_COMM: {
- 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)) {
- fprintf(stderr, "problem processing PERF_EVENT_COMM, skipping event.\n");
- goto broken_event;
- }
- total_comm++;
- break;
- }
- default: {
-broken_event:
dprintf("%p [%p]: skipping unknown header type: %d\n",
(void *)(offset + head),
(void *)(long)(event->header.size),
size = 8;
}
- }
head += size;
projects / deliverable / linux.git / blobdiff