aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/builtin-inject.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/builtin-inject.c')
-rw-r--r--tools/perf/builtin-inject.c114
1 files changed, 56 insertions, 58 deletions
diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
index afe377b2884..16c7c11ad06 100644
--- a/tools/perf/builtin-inject.c
+++ b/tools/perf/builtin-inject.c
@@ -15,20 +15,20 @@
#include "util/tool.h"
#include "util/debug.h"
#include "util/build-id.h"
+#include "util/data.h"
#include "util/parse-options.h"
#include <linux/list.h>
struct perf_inject {
- struct perf_tool tool;
- bool build_ids;
- bool sched_stat;
- const char *input_name;
- int pipe_output,
- output;
- u64 bytes_written;
- struct list_head samples;
+ struct perf_tool tool;
+ bool build_ids;
+ bool sched_stat;
+ const char *input_name;
+ struct perf_data_file output;
+ u64 bytes_written;
+ struct list_head samples;
};
struct event_entry {
@@ -41,21 +41,14 @@ static int perf_event__repipe_synth(struct perf_tool *tool,
union perf_event *event)
{
struct perf_inject *inject = container_of(tool, struct perf_inject, tool);
- uint32_t size;
- void *buf = event;
+ ssize_t size;
- size = event->header.size;
-
- while (size) {
- int ret = write(inject->output, buf, size);
- if (ret < 0)
- return -errno;
-
- size -= ret;
- buf += ret;
- inject->bytes_written += ret;
- }
+ size = perf_data_file__write(&inject->output, event,
+ event->header.size);
+ if (size < 0)
+ return -errno;
+ inject->bytes_written += size;
return 0;
}
@@ -71,12 +64,17 @@ static int perf_event__repipe_attr(struct perf_tool *tool,
union perf_event *event,
struct perf_evlist **pevlist)
{
+ struct perf_inject *inject = container_of(tool, struct perf_inject,
+ tool);
int ret;
ret = perf_event__process_attr(tool, event, pevlist);
if (ret)
return ret;
+ if (!inject->output.is_pipe)
+ return 0;
+
return perf_event__repipe_synth(tool, event);
}
@@ -100,8 +98,8 @@ static int perf_event__repipe_sample(struct perf_tool *tool,
struct perf_evsel *evsel,
struct machine *machine)
{
- if (evsel->handler.func) {
- inject_handler f = evsel->handler.func;
+ if (evsel->handler) {
+ inject_handler f = evsel->handler;
return f(tool, event, sample, evsel, machine);
}
@@ -161,38 +159,38 @@ static int perf_event__repipe_tracing_data(struct perf_tool *tool,
return err;
}
-static int dso__read_build_id(struct dso *self)
+static int dso__read_build_id(struct dso *dso)
{
- if (self->has_build_id)
+ if (dso->has_build_id)
return 0;
- if (filename__read_build_id(self->long_name, self->build_id,
- sizeof(self->build_id)) > 0) {
- self->has_build_id = true;
+ if (filename__read_build_id(dso->long_name, dso->build_id,
+ sizeof(dso->build_id)) > 0) {
+ dso->has_build_id = true;
return 0;
}
return -1;
}
-static int dso__inject_build_id(struct dso *self, struct perf_tool *tool,
+static int dso__inject_build_id(struct dso *dso, struct perf_tool *tool,
struct machine *machine)
{
u16 misc = PERF_RECORD_MISC_USER;
int err;
- if (dso__read_build_id(self) < 0) {
- pr_debug("no build_id found for %s\n", self->long_name);
+ if (dso__read_build_id(dso) < 0) {
+ pr_debug("no build_id found for %s\n", dso->long_name);
return -1;
}
- if (self->kernel)
+ if (dso->kernel)
misc = PERF_RECORD_MISC_KERNEL;
- err = perf_event__synthesize_build_id(tool, self, misc, perf_event__repipe,
+ err = perf_event__synthesize_build_id(tool, dso, misc, perf_event__repipe,
machine);
if (err) {
- pr_err("Can't synthesize build_id event for %s\n", self->long_name);
+ pr_err("Can't synthesize build_id event for %s\n", dso->long_name);
return -1;
}
@@ -211,7 +209,7 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- thread = machine__findnew_thread(machine, sample->pid, sample->pid);
+ thread = machine__findnew_thread(machine, sample->pid, sample->tid);
if (thread == NULL) {
pr_err("problem processing %d event, skipping it.\n",
event->header.type);
@@ -231,7 +229,7 @@ static int perf_event__inject_buildid(struct perf_tool *tool,
* account this as unresolved.
*/
} else {
-#ifdef LIBELF_SUPPORT
+#ifdef HAVE_LIBELF_SUPPORT
pr_warning("no symbols found in %s, maybe "
"install a debug package?\n",
al.map->dso->long_name);
@@ -314,7 +312,6 @@ found:
sample_sw.period = sample->period;
sample_sw.time = sample->time;
perf_event__synthesize_sample(event_sw, evsel->attr.sample_type,
- evsel->attr.sample_regs_user,
evsel->attr.read_format, &sample_sw,
false);
build_id__mark_dso_hit(tool, event_sw, &sample_sw, evsel, machine);
@@ -345,6 +342,11 @@ static int __cmd_inject(struct perf_inject *inject)
{
struct perf_session *session;
int ret = -EINVAL;
+ struct perf_data_file file = {
+ .path = inject->input_name,
+ .mode = PERF_DATA_MODE_READ,
+ };
+ struct perf_data_file *file_out = &inject->output;
signal(SIGINT, sig_handler);
@@ -355,7 +357,7 @@ static int __cmd_inject(struct perf_inject *inject)
inject->tool.tracing_data = perf_event__repipe_tracing_data;
}
- session = perf_session__new(inject->input_name, O_RDONLY, false, true, &inject->tool);
+ session = perf_session__new(&file, true, &inject->tool);
if (session == NULL)
return -ENOMEM;
@@ -366,29 +368,29 @@ static int __cmd_inject(struct perf_inject *inject)
inject->tool.ordered_samples = true;
- list_for_each_entry(evsel, &session->evlist->entries, node) {
+ evlist__for_each(session->evlist, evsel) {
const char *name = perf_evsel__name(evsel);
if (!strcmp(name, "sched:sched_switch")) {
if (perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID"))
return -EINVAL;
- evsel->handler.func = perf_inject__sched_switch;
+ evsel->handler = perf_inject__sched_switch;
} else if (!strcmp(name, "sched:sched_process_exit"))
- evsel->handler.func = perf_inject__sched_process_exit;
+ evsel->handler = perf_inject__sched_process_exit;
else if (!strncmp(name, "sched:sched_stat_", 17))
- evsel->handler.func = perf_inject__sched_stat;
+ evsel->handler = perf_inject__sched_stat;
}
}
- if (!inject->pipe_output)
- lseek(inject->output, session->header.data_offset, SEEK_SET);
+ if (!file_out->is_pipe)
+ lseek(file_out->fd, session->header.data_offset, SEEK_SET);
ret = perf_session__process_events(session, &inject->tool);
- if (!inject->pipe_output) {
+ if (!file_out->is_pipe) {
session->header.data_size = inject->bytes_written;
- perf_session__write_header(session, session->evlist, inject->output, true);
+ perf_session__write_header(session, session->evlist, file_out->fd, true);
}
perf_session__delete(session);
@@ -417,14 +419,17 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
},
.input_name = "-",
.samples = LIST_HEAD_INIT(inject.samples),
+ .output = {
+ .path = "-",
+ .mode = PERF_DATA_MODE_WRITE,
+ },
};
- const char *output_name = "-";
const struct option options[] = {
OPT_BOOLEAN('b', "build-ids", &inject.build_ids,
"Inject build-ids into the output stream"),
OPT_STRING('i', "input", &inject.input_name, "file",
"input file name"),
- OPT_STRING('o', "output", &output_name, "file",
+ OPT_STRING('o', "output", &inject.output.path, "file",
"output file name"),
OPT_BOOLEAN('s', "sched-stat", &inject.sched_stat,
"Merge sched-stat and sched-switch for getting events "
@@ -446,16 +451,9 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
if (argc)
usage_with_options(inject_usage, options);
- if (!strcmp(output_name, "-")) {
- inject.pipe_output = 1;
- inject.output = STDOUT_FILENO;
- } else {
- inject.output = open(output_name, O_CREAT | O_WRONLY | O_TRUNC,
- S_IRUSR | S_IWUSR);
- if (inject.output < 0) {
- perror("failed to create output file");
- return -1;
- }
+ if (perf_data_file__open(&inject.output)) {
+ perror("failed to create output file");
+ return -1;
}
if (symbol__init() < 0)