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-rw-r--r--tools/perf/util/event.c386
1 files changed, 113 insertions, 273 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index 1478ab4ee22..2b15c362ef5 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -6,8 +6,9 @@
#include "string.h"
#include "strlist.h"
#include "thread.h"
+#include "thread_map.h"
-static const char *event__name[] = {
+static const char *perf_event__names[] = {
[0] = "TOTAL",
[PERF_RECORD_MMAP] = "MMAP",
[PERF_RECORD_LOST] = "LOST",
@@ -25,16 +26,16 @@ static const char *event__name[] = {
[PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND",
};
-const char *event__get_event_name(unsigned int id)
+const char *perf_event__name(unsigned int id)
{
- if (id >= ARRAY_SIZE(event__name))
+ if (id >= ARRAY_SIZE(perf_event__names))
return "INVALID";
- if (!event__name[id])
+ if (!perf_event__names[id])
return "UNKNOWN";
- return event__name[id];
+ return perf_event__names[id];
}
-static struct sample_data synth_sample = {
+static struct perf_sample synth_sample = {
.pid = -1,
.tid = -1,
.time = -1,
@@ -43,9 +44,9 @@ static struct sample_data synth_sample = {
.period = 1,
};
-static pid_t event__synthesize_comm(event_t *event, pid_t pid, int full,
- event__handler_t process,
- struct perf_session *session)
+static pid_t perf_event__synthesize_comm(union perf_event *event, pid_t pid,
+ int full, perf_event__handler_t process,
+ struct perf_session *session)
{
char filename[PATH_MAX];
char bf[BUFSIZ];
@@ -126,9 +127,10 @@ out:
return tgid;
}
-static int event__synthesize_mmap_events(event_t *event, pid_t pid, pid_t tgid,
- event__handler_t process,
- struct perf_session *session)
+static int perf_event__synthesize_mmap_events(union perf_event *event,
+ pid_t pid, pid_t tgid,
+ perf_event__handler_t process,
+ struct perf_session *session)
{
char filename[PATH_MAX];
FILE *fp;
@@ -199,14 +201,14 @@ static int event__synthesize_mmap_events(event_t *event, pid_t pid, pid_t tgid,
return 0;
}
-int event__synthesize_modules(event__handler_t process,
- struct perf_session *session,
- struct machine *machine)
+int perf_event__synthesize_modules(perf_event__handler_t process,
+ struct perf_session *session,
+ struct machine *machine)
{
struct rb_node *nd;
struct map_groups *kmaps = &machine->kmaps;
- event_t *event = zalloc(sizeof(event->mmap) + session->id_hdr_size);
-
+ union perf_event *event = zalloc((sizeof(event->mmap) +
+ session->id_hdr_size));
if (event == NULL) {
pr_debug("Not enough memory synthesizing mmap event "
"for kernel modules\n");
@@ -251,23 +253,25 @@ int event__synthesize_modules(event__handler_t process,
return 0;
}
-static int __event__synthesize_thread(event_t *comm_event, event_t *mmap_event,
- pid_t pid, event__handler_t process,
+static int __event__synthesize_thread(union perf_event *comm_event,
+ union perf_event *mmap_event,
+ pid_t pid, perf_event__handler_t process,
struct perf_session *session)
{
- pid_t tgid = event__synthesize_comm(comm_event, pid, 1, process,
+ pid_t tgid = perf_event__synthesize_comm(comm_event, pid, 1, process,
session);
if (tgid == -1)
return -1;
- return event__synthesize_mmap_events(mmap_event, pid, tgid,
+ return perf_event__synthesize_mmap_events(mmap_event, pid, tgid,
process, session);
}
-int event__synthesize_thread(pid_t pid, event__handler_t process,
- struct perf_session *session)
+int perf_event__synthesize_thread_map(struct thread_map *threads,
+ perf_event__handler_t process,
+ struct perf_session *session)
{
- event_t *comm_event, *mmap_event;
- int err = -1;
+ union perf_event *comm_event, *mmap_event;
+ int err = -1, thread;
comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
if (comm_event == NULL)
@@ -277,8 +281,15 @@ int event__synthesize_thread(pid_t pid, event__handler_t process,
if (mmap_event == NULL)
goto out_free_comm;
- err = __event__synthesize_thread(comm_event, mmap_event, pid,
- process, session);
+ 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);
@@ -286,12 +297,12 @@ out:
return err;
}
-int event__synthesize_threads(event__handler_t process,
- struct perf_session *session)
+int perf_event__synthesize_threads(perf_event__handler_t process,
+ struct perf_session *session)
{
DIR *proc;
struct dirent dirent, *next;
- event_t *comm_event, *mmap_event;
+ union perf_event *comm_event, *mmap_event;
int err = -1;
comm_event = malloc(sizeof(comm_event->comm) + session->id_hdr_size);
@@ -349,10 +360,10 @@ static int find_symbol_cb(void *arg, const char *name, char type,
return 1;
}
-int event__synthesize_kernel_mmap(event__handler_t process,
- struct perf_session *session,
- struct machine *machine,
- const char *symbol_name)
+int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
+ struct perf_session *session,
+ struct machine *machine,
+ const char *symbol_name)
{
size_t size;
const char *filename, *mmap_name;
@@ -366,8 +377,8 @@ int event__synthesize_kernel_mmap(event__handler_t process,
* kernels.
*/
struct process_symbol_args args = { .name = symbol_name, };
- event_t *event = zalloc(sizeof(event->mmap) + session->id_hdr_size);
-
+ union perf_event *event = zalloc((sizeof(event->mmap) +
+ session->id_hdr_size));
if (event == NULL) {
pr_debug("Not enough memory synthesizing mmap event "
"for kernel modules\n");
@@ -413,42 +424,15 @@ int event__synthesize_kernel_mmap(event__handler_t process,
return err;
}
-static void thread__comm_adjust(struct thread *self, struct hists *hists)
-{
- char *comm = self->comm;
-
- if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
- (!symbol_conf.comm_list ||
- strlist__has_entry(symbol_conf.comm_list, comm))) {
- u16 slen = strlen(comm);
-
- if (hists__new_col_len(hists, HISTC_COMM, slen))
- hists__set_col_len(hists, HISTC_THREAD, slen + 6);
- }
-}
-
-static int thread__set_comm_adjust(struct thread *self, const char *comm,
- struct hists *hists)
-{
- int ret = thread__set_comm(self, comm);
-
- if (ret)
- return ret;
-
- thread__comm_adjust(self, hists);
-
- return 0;
-}
-
-int event__process_comm(event_t *self, struct sample_data *sample __used,
- struct perf_session *session)
+int perf_event__process_comm(union perf_event *event,
+ struct perf_sample *sample __used,
+ struct perf_session *session)
{
- struct thread *thread = perf_session__findnew(session, self->comm.tid);
+ struct thread *thread = perf_session__findnew(session, event->comm.tid);
- dump_printf(": %s:%d\n", self->comm.comm, self->comm.tid);
+ dump_printf(": %s:%d\n", event->comm.comm, event->comm.tid);
- if (thread == NULL || thread__set_comm_adjust(thread, self->comm.comm,
- &session->hists)) {
+ if (thread == NULL || thread__set_comm(thread, event->comm.comm)) {
dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
return -1;
}
@@ -456,19 +440,21 @@ int event__process_comm(event_t *self, struct sample_data *sample __used,
return 0;
}
-int event__process_lost(event_t *self, struct sample_data *sample __used,
- struct perf_session *session)
+int perf_event__process_lost(union perf_event *event,
+ struct perf_sample *sample __used,
+ struct perf_session *session)
{
dump_printf(": id:%" PRIu64 ": lost:%" PRIu64 "\n",
- self->lost.id, self->lost.lost);
- session->hists.stats.total_lost += self->lost.lost;
+ event->lost.id, event->lost.lost);
+ session->hists.stats.total_lost += event->lost.lost;
return 0;
}
-static void event_set_kernel_mmap_len(struct map **maps, event_t *self)
+static void perf_event__set_kernel_mmap_len(union perf_event *event,
+ struct map **maps)
{
- maps[MAP__FUNCTION]->start = self->mmap.start;
- maps[MAP__FUNCTION]->end = self->mmap.start + self->mmap.len;
+ maps[MAP__FUNCTION]->start = event->mmap.start;
+ maps[MAP__FUNCTION]->end = event->mmap.start + event->mmap.len;
/*
* Be a bit paranoid here, some perf.data file came with
* a zero sized synthesized MMAP event for the kernel.
@@ -477,8 +463,8 @@ static void event_set_kernel_mmap_len(struct map **maps, event_t *self)
maps[MAP__FUNCTION]->end = ~0ULL;
}
-static int event__process_kernel_mmap(event_t *self,
- struct perf_session *session)
+static int perf_event__process_kernel_mmap(union perf_event *event,
+ struct perf_session *session)
{
struct map *map;
char kmmap_prefix[PATH_MAX];
@@ -486,9 +472,9 @@ static int event__process_kernel_mmap(event_t *self,
enum dso_kernel_type kernel_type;
bool is_kernel_mmap;
- machine = perf_session__findnew_machine(session, self->mmap.pid);
+ machine = perf_session__findnew_machine(session, event->mmap.pid);
if (!machine) {
- pr_err("Can't find id %d's machine\n", self->mmap.pid);
+ pr_err("Can't find id %d's machine\n", event->mmap.pid);
goto out_problem;
}
@@ -498,17 +484,17 @@ static int event__process_kernel_mmap(event_t *self,
else
kernel_type = DSO_TYPE_GUEST_KERNEL;
- is_kernel_mmap = memcmp(self->mmap.filename,
+ is_kernel_mmap = memcmp(event->mmap.filename,
kmmap_prefix,
strlen(kmmap_prefix)) == 0;
- if (self->mmap.filename[0] == '/' ||
- (!is_kernel_mmap && self->mmap.filename[0] == '[')) {
+ if (event->mmap.filename[0] == '/' ||
+ (!is_kernel_mmap && event->mmap.filename[0] == '[')) {
char short_module_name[1024];
char *name, *dot;
- if (self->mmap.filename[0] == '/') {
- name = strrchr(self->mmap.filename, '/');
+ if (event->mmap.filename[0] == '/') {
+ name = strrchr(event->mmap.filename, '/');
if (name == NULL)
goto out_problem;
@@ -520,10 +506,10 @@ static int event__process_kernel_mmap(event_t *self,
"[%.*s]", (int)(dot - name), name);
strxfrchar(short_module_name, '-', '_');
} else
- strcpy(short_module_name, self->mmap.filename);
+ strcpy(short_module_name, event->mmap.filename);
- map = machine__new_module(machine, self->mmap.start,
- self->mmap.filename);
+ map = machine__new_module(machine, event->mmap.start,
+ event->mmap.filename);
if (map == NULL)
goto out_problem;
@@ -533,9 +519,9 @@ static int event__process_kernel_mmap(event_t *self,
map->dso->short_name = name;
map->dso->sname_alloc = 1;
- map->end = map->start + self->mmap.len;
+ map->end = map->start + event->mmap.len;
} else if (is_kernel_mmap) {
- const char *symbol_name = (self->mmap.filename +
+ const char *symbol_name = (event->mmap.filename +
strlen(kmmap_prefix));
/*
* Should be there already, from the build-id table in
@@ -550,10 +536,10 @@ static int event__process_kernel_mmap(event_t *self,
if (__machine__create_kernel_maps(machine, kernel) < 0)
goto out_problem;
- event_set_kernel_mmap_len(machine->vmlinux_maps, self);
+ perf_event__set_kernel_mmap_len(event, machine->vmlinux_maps);
perf_session__set_kallsyms_ref_reloc_sym(machine->vmlinux_maps,
symbol_name,
- self->mmap.pgoff);
+ event->mmap.pgoff);
if (machine__is_default_guest(machine)) {
/*
* preload dso of guest kernel and modules
@@ -567,22 +553,23 @@ out_problem:
return -1;
}
-int event__process_mmap(event_t *self, struct sample_data *sample __used,
- struct perf_session *session)
+int perf_event__process_mmap(union perf_event *event,
+ struct perf_sample *sample __used,
+ struct perf_session *session)
{
struct machine *machine;
struct thread *thread;
struct map *map;
- u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+ u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
int ret = 0;
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);
+ event->mmap.pid, event->mmap.tid, event->mmap.start,
+ event->mmap.len, event->mmap.pgoff, event->mmap.filename);
if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL ||
cpumode == PERF_RECORD_MISC_KERNEL) {
- ret = event__process_kernel_mmap(self, session);
+ ret = perf_event__process_kernel_mmap(event, session);
if (ret < 0)
goto out_problem;
return 0;
@@ -591,12 +578,12 @@ int event__process_mmap(event_t *self, struct sample_data *sample __used,
machine = perf_session__find_host_machine(session);
if (machine == NULL)
goto out_problem;
- thread = perf_session__findnew(session, self->mmap.pid);
+ thread = perf_session__findnew(session, event->mmap.pid);
if (thread == NULL)
goto out_problem;
- map = map__new(&machine->user_dsos, self->mmap.start,
- self->mmap.len, self->mmap.pgoff,
- self->mmap.pid, self->mmap.filename,
+ map = map__new(&machine->user_dsos, event->mmap.start,
+ event->mmap.len, event->mmap.pgoff,
+ event->mmap.pid, event->mmap.filename,
MAP__FUNCTION);
if (map == NULL)
goto out_problem;
@@ -609,16 +596,17 @@ out_problem:
return 0;
}
-int event__process_task(event_t *self, struct sample_data *sample __used,
- struct perf_session *session)
+int perf_event__process_task(union perf_event *event,
+ struct perf_sample *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);
+ struct thread *thread = perf_session__findnew(session, event->fork.tid);
+ struct thread *parent = perf_session__findnew(session, event->fork.ptid);
- dump_printf("(%d:%d):(%d:%d)\n", self->fork.pid, self->fork.tid,
- self->fork.ppid, self->fork.ptid);
+ dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid,
+ event->fork.ppid, event->fork.ptid);
- if (self->header.type == PERF_RECORD_EXIT) {
+ if (event->header.type == PERF_RECORD_EXIT) {
perf_session__remove_thread(session, thread);
return 0;
}
@@ -632,20 +620,22 @@ int event__process_task(event_t *self, struct sample_data *sample __used,
return 0;
}
-int event__process(event_t *event, struct sample_data *sample,
- struct perf_session *session)
+int perf_event__process(union perf_event *event, struct perf_sample *sample,
+ struct perf_session *session)
{
switch (event->header.type) {
case PERF_RECORD_COMM:
- event__process_comm(event, sample, session);
+ perf_event__process_comm(event, sample, session);
break;
case PERF_RECORD_MMAP:
- event__process_mmap(event, sample, session);
+ perf_event__process_mmap(event, sample, session);
break;
case PERF_RECORD_FORK:
case PERF_RECORD_EXIT:
- event__process_task(event, sample, session);
+ perf_event__process_task(event, sample, session);
break;
+ case PERF_RECORD_LOST:
+ perf_event__process_lost(event, sample, session);
default:
break;
}
@@ -742,24 +732,14 @@ void thread__find_addr_location(struct thread *self,
al->sym = NULL;
}
-static void dso__calc_col_width(struct dso *self, struct hists *hists)
-{
- if (!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
- (!symbol_conf.dso_list ||
- strlist__has_entry(symbol_conf.dso_list, self->name))) {
- u16 slen = dso__name_len(self);
- hists__new_col_len(hists, HISTC_DSO, slen);
- }
-
- self->slen_calculated = 1;
-}
-
-int event__preprocess_sample(const event_t *self, struct perf_session *session,
- struct addr_location *al, struct sample_data *data,
- symbol_filter_t filter)
+int perf_event__preprocess_sample(const union perf_event *event,
+ struct perf_session *session,
+ struct addr_location *al,
+ struct perf_sample *sample,
+ symbol_filter_t filter)
{
- u8 cpumode = self->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- struct thread *thread = perf_session__findnew(session, self->ip.pid);
+ u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
+ struct thread *thread = perf_session__findnew(session, event->ip.pid);
if (thread == NULL)
return -1;
@@ -781,12 +761,12 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
machine__create_kernel_maps(&session->host_machine);
thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
- self->ip.pid, self->ip.ip, al);
+ event->ip.pid, event->ip.ip, al);
dump_printf(" ...... dso: %s\n",
al->map ? al->map->dso->long_name :
al->level == 'H' ? "[hypervisor]" : "<not found>");
al->sym = NULL;
- al->cpu = data->cpu;
+ al->cpu = sample->cpu;
if (al->map) {
if (symbol_conf.dso_list &&
@@ -797,23 +777,8 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
strlist__has_entry(symbol_conf.dso_list,
al->map->dso->long_name)))))
goto out_filtered;
- /*
- * We have to do this here as we may have a dso with no symbol
- * hit that has a name longer than the ones with symbols
- * sampled.
- */
- if (!sort_dso.elide && !al->map->dso->slen_calculated)
- dso__calc_col_width(al->map->dso, &session->hists);
al->sym = map__find_symbol(al->map, al->addr, filter);
- } else {
- const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
-
- if (hists__col_len(&session->hists, HISTC_DSO) < unresolved_col_width &&
- !symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
- !symbol_conf.dso_list)
- hists__set_col_len(&session->hists, HISTC_DSO,
- unresolved_col_width);
}
if (symbol_conf.sym_list && al->sym &&
@@ -826,128 +791,3 @@ out_filtered:
al->filtered = true;
return 0;
}
-
-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;
- 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;
- array++;
- }
-
- if (type & PERF_SAMPLE_TID) {
- u32 *p = (u32 *)array;
- data->pid = p[0];
- data->tid = p[1];
- array++;
- }
-
- if (type & PERF_SAMPLE_TIME) {
- data->time = *array;
- array++;
- }
-
- if (type & PERF_SAMPLE_ADDR) {
- data->addr = *array;
- array++;
- }
-
- data->id = -1ULL;
- if (type & PERF_SAMPLE_ID) {
- data->id = *array;
- array++;
- }
-
- if (type & PERF_SAMPLE_STREAM_ID) {
- data->stream_id = *array;
- array++;
- }
-
- if (type & PERF_SAMPLE_CPU) {
- u32 *p = (u32 *)array;
- data->cpu = *p;
- array++;
- } else
- data->cpu = -1;
-
- if (type & PERF_SAMPLE_PERIOD) {
- data->period = *array;
- array++;
- }
-
- if (type & PERF_SAMPLE_READ) {
- pr_debug("PERF_SAMPLE_READ is unsuported for now\n");
- return -1;
- }
-
- if (type & PERF_SAMPLE_CALLCHAIN) {
- data->callchain = (struct ip_callchain *)array;
- array += 1 + data->callchain->nr;
- }
-
- if (type & PERF_SAMPLE_RAW) {
- u32 *p = (u32 *)array;
- data->raw_size = *p;
- p++;
- data->raw_data = p;
- }
-
- return 0;
-}