#include "strlist.h"
#include "thread.h"
-const char *event__name[] = {
+static const char *event__name[] = {
[0] = "TOTAL",
[PERF_RECORD_MMAP] = "MMAP",
[PERF_RECORD_LOST] = "LOST",
[PERF_RECORD_HEADER_EVENT_TYPE] = "EVENT_TYPE",
[PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA",
[PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID",
+ [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND",
};
-static pid_t event__synthesize_comm(pid_t pid, int full,
+const char *event__get_event_name(unsigned int id)
+{
+ if (id >= ARRAY_SIZE(event__name))
+ return "INVALID";
+ if (!event__name[id])
+ return "UNKNOWN";
+ return event__name[id];
+}
+
+static struct sample_data synth_sample = {
+ .pid = -1,
+ .tid = -1,
+ .time = -1,
+ .stream_id = -1,
+ .cpu = -1,
+ .period = 1,
+};
+
+static pid_t event__synthesize_comm(event_t *event, pid_t pid, int full,
event__handler_t process,
struct perf_session *session)
{
- event_t ev;
char filename[PATH_MAX];
char bf[BUFSIZ];
FILE *fp;
return 0;
}
- memset(&ev.comm, 0, sizeof(ev.comm));
- while (!ev.comm.comm[0] || !ev.comm.pid) {
- if (fgets(bf, sizeof(bf), fp) == NULL)
- goto out_failure;
+ memset(&event->comm, 0, sizeof(event->comm));
+
+ while (!event->comm.comm[0] || !event->comm.pid) {
+ if (fgets(bf, sizeof(bf), fp) == NULL) {
+ pr_warning("couldn't get COMM and pgid, malformed %s\n", filename);
+ goto out;
+ }
if (memcmp(bf, "Name:", 5) == 0) {
char *name = bf + 5;
while (*name && isspace(*name))
++name;
size = strlen(name) - 1;
- memcpy(ev.comm.comm, name, size++);
+ memcpy(event->comm.comm, name, size++);
} else if (memcmp(bf, "Tgid:", 5) == 0) {
char *tgids = bf + 5;
while (*tgids && isspace(*tgids))
++tgids;
- tgid = ev.comm.pid = atoi(tgids);
+ tgid = event->comm.pid = atoi(tgids);
}
}
- ev.comm.header.type = PERF_RECORD_COMM;
+ event->comm.header.type = PERF_RECORD_COMM;
size = ALIGN(size, sizeof(u64));
- ev.comm.header.size = sizeof(ev.comm) - (sizeof(ev.comm.comm) - size);
-
+ memset(event->comm.comm + size, 0, session->id_hdr_size);
+ event->comm.header.size = (sizeof(event->comm) -
+ (sizeof(event->comm.comm) - size) +
+ session->id_hdr_size);
if (!full) {
- ev.comm.tid = pid;
+ event->comm.tid = pid;
- process(&ev, session);
- goto out_fclose;
+ process(event, &synth_sample, session);
+ goto out;
}
snprintf(filename, sizeof(filename), "/proc/%d/task", pid);
if (*end)
continue;
- ev.comm.tid = pid;
+ event->comm.tid = pid;
- process(&ev, session);
+ process(event, &synth_sample, session);
}
- closedir(tasks);
-out_fclose:
+ closedir(tasks);
+out:
fclose(fp);
- return tgid;
-out_failure:
- pr_warning("couldn't get COMM and pgid, malformed %s\n", filename);
- return -1;
+ return tgid;
}
-static int event__synthesize_mmap_events(pid_t pid, pid_t tgid,
+static int event__synthesize_mmap_events(event_t *event, pid_t pid, pid_t tgid,
event__handler_t process,
struct perf_session *session)
{
return -1;
}
+ event->header.type = PERF_RECORD_MMAP;
+ /*
+ * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c
+ */
+ event->header.misc = PERF_RECORD_MISC_USER;
+
while (1) {
char bf[BUFSIZ], *pbf = bf;
- event_t ev = {
- .header = {
- .type = PERF_RECORD_MMAP,
- /*
- * Just like the kernel, see __perf_event_mmap
- * in kernel/perf_event.c
- */
- .misc = PERF_RECORD_MISC_USER,
- },
- };
int n;
size_t size;
if (fgets(bf, sizeof(bf), fp) == NULL)
break;
/* 00400000-0040c000 r-xp 00000000 fd:01 41038 /bin/cat */
- n = hex2u64(pbf, &ev.mmap.start);
+ n = hex2u64(pbf, &event->mmap.start);
if (n < 0)
continue;
pbf += n + 1;
- n = hex2u64(pbf, &ev.mmap.len);
+ n = hex2u64(pbf, &event->mmap.len);
if (n < 0)
continue;
pbf += n + 3;
continue;
pbf += 3;
- n = hex2u64(pbf, &ev.mmap.pgoff);
+ n = hex2u64(pbf, &event->mmap.pgoff);
size = strlen(execname);
execname[size - 1] = '\0'; /* Remove \n */
- memcpy(ev.mmap.filename, execname, size);
+ memcpy(event->mmap.filename, execname, size);
size = ALIGN(size, sizeof(u64));
- ev.mmap.len -= ev.mmap.start;
- ev.mmap.header.size = (sizeof(ev.mmap) -
- (sizeof(ev.mmap.filename) - size));
- ev.mmap.pid = tgid;
- ev.mmap.tid = pid;
-
- process(&ev, session);
+ event->mmap.len -= event->mmap.start;
+ event->mmap.header.size = (sizeof(event->mmap) -
+ (sizeof(event->mmap.filename) - size));
+ memset(event->mmap.filename + size, 0, session->id_hdr_size);
+ event->mmap.header.size += session->id_hdr_size;
+ event->mmap.pid = tgid;
+ event->mmap.tid = pid;
+
+ process(event, &synth_sample, session);
}
}
{
struct rb_node *nd;
struct map_groups *kmaps = &machine->kmaps;
- u16 misc;
+ event_t *event = zalloc(sizeof(event->mmap) + session->id_hdr_size);
+
+ if (event == NULL) {
+ pr_debug("Not enough memory synthesizing mmap event "
+ "for kernel modules\n");
+ return -1;
+ }
+
+ event->header.type = PERF_RECORD_MMAP;
/*
* kernel uses 0 for user space maps, see kernel/perf_event.c
* __perf_event_mmap
*/
if (machine__is_host(machine))
- misc = PERF_RECORD_MISC_KERNEL;
+ event->header.misc = PERF_RECORD_MISC_KERNEL;
else
- misc = PERF_RECORD_MISC_GUEST_KERNEL;
+ event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
for (nd = rb_first(&kmaps->maps[MAP__FUNCTION]);
nd; nd = rb_next(nd)) {
- event_t ev;
size_t size;
struct map *pos = rb_entry(nd, struct map, rb_node);
continue;
size = ALIGN(pos->dso->long_name_len + 1, sizeof(u64));
- memset(&ev, 0, sizeof(ev));
- ev.mmap.header.misc = misc;
- ev.mmap.header.type = PERF_RECORD_MMAP;
- ev.mmap.header.size = (sizeof(ev.mmap) -
- (sizeof(ev.mmap.filename) - size));
- ev.mmap.start = pos->start;
- ev.mmap.len = pos->end - pos->start;
- ev.mmap.pid = machine->pid;
-
- memcpy(ev.mmap.filename, pos->dso->long_name,
+ event->mmap.header.type = PERF_RECORD_MMAP;
+ event->mmap.header.size = (sizeof(event->mmap) -
+ (sizeof(event->mmap.filename) - size));
+ memset(event->mmap.filename + size, 0, session->id_hdr_size);
+ event->mmap.header.size += session->id_hdr_size;
+ event->mmap.start = pos->start;
+ event->mmap.len = pos->end - pos->start;
+ event->mmap.pid = machine->pid;
+
+ memcpy(event->mmap.filename, pos->dso->long_name,
pos->dso->long_name_len + 1);
- process(&ev, session);
+ process(event, &synth_sample, session);
}
+ free(event);
return 0;
}
-int event__synthesize_thread(pid_t pid, event__handler_t process,
- struct perf_session *session)
+static int __event__synthesize_thread(event_t *comm_event, event_t *mmap_event,
+ pid_t pid, event__handler_t process,
+ struct perf_session *session)
{
- pid_t tgid = event__synthesize_comm(pid, 1, process, session);
+ pid_t tgid = event__synthesize_comm(comm_event, pid, 1, process,
+ session);
if (tgid == -1)
return -1;
- return event__synthesize_mmap_events(pid, tgid, process, session);
+ return event__synthesize_mmap_events(mmap_event, pid, tgid,
+ process, session);
+}
+
+int event__synthesize_thread_map(struct thread_map *threads,
+ event__handler_t process,
+ struct perf_session *session)
+{
+ event_t *comm_event, *mmap_event;
+ int err = -1, thread;
+
+ comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
+ if (comm_event == NULL)
+ goto out;
+
+ mmap_event = malloc(sizeof(mmap_event->mmap) + session->id_hdr_size);
+ if (mmap_event == NULL)
+ goto out_free_comm;
+
+ err = 0;
+ for (thread = 0; thread < threads->nr; ++thread) {
+ if (__event__synthesize_thread(comm_event, mmap_event,
+ threads->map[thread],
+ process, session)) {
+ err = -1;
+ break;
+ }
+ }
+ free(mmap_event);
+out_free_comm:
+ free(comm_event);
+out:
+ return err;
}
-void event__synthesize_threads(event__handler_t process,
- struct perf_session *session)
+int event__synthesize_threads(event__handler_t process,
+ struct perf_session *session)
{
DIR *proc;
struct dirent dirent, *next;
+ event_t *comm_event, *mmap_event;
+ int err = -1;
+
+ comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
+ if (comm_event == NULL)
+ goto out;
+
+ mmap_event = malloc(sizeof(mmap_event->mmap) + session->id_hdr_size);
+ if (mmap_event == NULL)
+ goto out_free_comm;
proc = opendir("/proc");
+ if (proc == NULL)
+ goto out_free_mmap;
while (!readdir_r(proc, &dirent, &next) && next) {
char *end;
if (*end) /* only interested in proper numerical dirents */
continue;
- event__synthesize_thread(pid, process, session);
+ __event__synthesize_thread(comm_event, mmap_event, pid,
+ process, session);
}
closedir(proc);
+ err = 0;
+out_free_mmap:
+ free(mmap_event);
+out_free_comm:
+ free(comm_event);
+out:
+ return err;
}
struct process_symbol_args {
u64 start;
};
-static int find_symbol_cb(void *arg, const char *name, char type, u64 start)
+static int find_symbol_cb(void *arg, const char *name, char type,
+ u64 start, u64 end __used)
{
struct process_symbol_args *args = arg;
char path[PATH_MAX];
char name_buff[PATH_MAX];
struct map *map;
-
- event_t ev = {
- .header = {
- .type = PERF_RECORD_MMAP,
- },
- };
+ int err;
/*
* We should get this from /sys/kernel/sections/.text, but till that is
* available use this, and after it is use this as a fallback for older
* kernels.
*/
struct process_symbol_args args = { .name = symbol_name, };
+ event_t *event = zalloc(sizeof(event->mmap) + session->id_hdr_size);
+
+ if (event == NULL) {
+ pr_debug("Not enough memory synthesizing mmap event "
+ "for kernel modules\n");
+ return -1;
+ }
mmap_name = machine__mmap_name(machine, name_buff, sizeof(name_buff));
if (machine__is_host(machine)) {
* kernel uses PERF_RECORD_MISC_USER for user space maps,
* see kernel/perf_event.c __perf_event_mmap
*/
- ev.header.misc = PERF_RECORD_MISC_KERNEL;
+ event->header.misc = PERF_RECORD_MISC_KERNEL;
filename = "/proc/kallsyms";
} else {
- ev.header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
+ event->header.misc = PERF_RECORD_MISC_GUEST_KERNEL;
if (machine__is_default_guest(machine))
filename = (char *) symbol_conf.default_guest_kallsyms;
else {
return -ENOENT;
map = machine->vmlinux_maps[MAP__FUNCTION];
- size = snprintf(ev.mmap.filename, sizeof(ev.mmap.filename),
+ size = snprintf(event->mmap.filename, sizeof(event->mmap.filename),
"%s%s", mmap_name, symbol_name) + 1;
size = ALIGN(size, sizeof(u64));
- ev.mmap.header.size = (sizeof(ev.mmap) -
- (sizeof(ev.mmap.filename) - size));
- ev.mmap.pgoff = args.start;
- ev.mmap.start = map->start;
- ev.mmap.len = map->end - ev.mmap.start;
- ev.mmap.pid = machine->pid;
-
- return process(&ev, session);
+ event->mmap.header.type = PERF_RECORD_MMAP;
+ event->mmap.header.size = (sizeof(event->mmap) -
+ (sizeof(event->mmap.filename) - size) + session->id_hdr_size);
+ event->mmap.pgoff = args.start;
+ event->mmap.start = map->start;
+ event->mmap.len = map->end - event->mmap.start;
+ event->mmap.pid = machine->pid;
+
+ err = process(event, &synth_sample, session);
+ free(event);
+
+ return err;
}
static void thread__comm_adjust(struct thread *self, struct hists *hists)
return 0;
}
-int event__process_comm(event_t *self, struct perf_session *session)
+int event__process_comm(event_t *self, struct sample_data *sample __used,
+ struct perf_session *session)
{
struct thread *thread = perf_session__findnew(session, self->comm.tid);
return 0;
}
-int event__process_lost(event_t *self, struct perf_session *session)
+int event__process_lost(event_t *self, struct sample_data *sample __used,
+ struct perf_session *session)
{
- dump_printf(": id:%Ld: lost:%Ld\n", self->lost.id, self->lost.lost);
+ dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n",
+ self->lost.id, self->lost.lost);
session->hists.stats.total_lost += self->lost.lost;
return 0;
}
* a zero sized synthesized MMAP event for the kernel.
*/
if (maps[MAP__FUNCTION]->end == 0)
- maps[MAP__FUNCTION]->end = ~0UL;
+ maps[MAP__FUNCTION]->end = ~0ULL;
}
static int event__process_kernel_mmap(event_t *self,
return -1;
}
-int event__process_mmap(event_t *self, struct perf_session *session)
+int event__process_mmap(event_t *self, struct sample_data *sample __used,
+ struct perf_session *session)
{
struct machine *machine;
struct thread *thread;
u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
int ret = 0;
- dump_printf(" %d/%d: [%#Lx(%#Lx) @ %#Lx]: %s\n",
+ dump_printf(" %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n",
self->mmap.pid, self->mmap.tid, self->mmap.start,
self->mmap.len, self->mmap.pgoff, self->mmap.filename);
return 0;
}
-int event__process_task(event_t *self, struct perf_session *session)
+int event__process_task(event_t *self, struct sample_data *sample __used,
+ struct perf_session *session)
{
struct thread *thread = perf_session__findnew(session, self->fork.tid);
struct thread *parent = perf_session__findnew(session, self->fork.ptid);
return 0;
}
-int event__process(event_t *event, struct perf_session *session)
+int event__process(event_t *event, struct sample_data *sample,
+ struct perf_session *session)
{
switch (event->header.type) {
case PERF_RECORD_COMM:
- event__process_comm(event, session);
+ event__process_comm(event, sample, session);
break;
case PERF_RECORD_MMAP:
- event__process_mmap(event, session);
+ event__process_mmap(event, sample, session);
break;
case PERF_RECORD_FORK:
case PERF_RECORD_EXIT:
- event__process_task(event, session);
+ event__process_task(event, sample, session);
break;
default:
break;
symbol_filter_t filter)
{
u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- struct thread *thread;
+ struct thread *thread = perf_session__findnew(session, self->ip.pid);
- event__parse_sample(self, session->sample_type, data);
-
- dump_printf("(IP, %d): %d/%d: %#Lx period: %Ld cpu:%d\n",
- self->header.misc, data->pid, data->tid, data->ip,
- data->period, data->cpu);
-
- if (session->sample_type & PERF_SAMPLE_CALLCHAIN) {
- unsigned int i;
-
- dump_printf("... chain: nr:%Lu\n", data->callchain->nr);
-
- if (!ip_callchain__valid(data->callchain, self)) {
- pr_debug("call-chain problem with event, "
- "skipping it.\n");
- goto out_filtered;
- }
-
- if (dump_trace) {
- for (i = 0; i < data->callchain->nr; i++)
- dump_printf("..... %2d: %016Lx\n",
- i, data->callchain->ips[i]);
- }
- }
- thread = perf_session__findnew(session, self->ip.pid);
if (thread == NULL)
return -1;
return 0;
}
-int event__parse_sample(const event_t *event, u64 type, struct sample_data *data)
+static int event__parse_id_sample(const event_t *event,
+ struct perf_session *session,
+ struct sample_data *sample)
+{
+ const u64 *array;
+ u64 type;
+
+ sample->cpu = sample->pid = sample->tid = -1;
+ sample->stream_id = sample->id = sample->time = -1ULL;
+
+ if (!session->sample_id_all)
+ return 0;
+
+ array = event->sample.array;
+ array += ((event->header.size -
+ sizeof(event->header)) / sizeof(u64)) - 1;
+ type = session->sample_type;
+
+ if (type & PERF_SAMPLE_CPU) {
+ u32 *p = (u32 *)array;
+ sample->cpu = *p;
+ array--;
+ }
+
+ if (type & PERF_SAMPLE_STREAM_ID) {
+ sample->stream_id = *array;
+ array--;
+ }
+
+ if (type & PERF_SAMPLE_ID) {
+ sample->id = *array;
+ array--;
+ }
+
+ if (type & PERF_SAMPLE_TIME) {
+ sample->time = *array;
+ array--;
+ }
+
+ if (type & PERF_SAMPLE_TID) {
+ u32 *p = (u32 *)array;
+ sample->pid = p[0];
+ sample->tid = p[1];
+ }
+
+ return 0;
+}
+
+int event__parse_sample(const event_t *event, struct perf_session *session,
+ struct sample_data *data)
{
- const u64 *array = event->sample.array;
+ const u64 *array;
+ u64 type;
+
+ if (event->header.type != PERF_RECORD_SAMPLE)
+ return event__parse_id_sample(event, session, data);
+
+ array = event->sample.array;
+ type = session->sample_type;
if (type & PERF_SAMPLE_IP) {
data->ip = event->ip.ip;
projects / mv-sheeva.git / blobdiff