diff options
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r-- | tools/perf/builtin-record.c | 383 |
1 files changed, 215 insertions, 168 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index ba6777a147ca..4642d38b8d19 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -35,43 +35,36 @@ enum write_mode_t { WRITE_APPEND }; -struct perf_record_opts record_opts = { - .target_pid = -1, - .target_tid = -1, - .mmap_pages = UINT_MAX, - .user_freq = UINT_MAX, - .user_interval = ULLONG_MAX, - .freq = 1000, - .sample_id_all_avail = true, +struct perf_record { + struct perf_event_ops ops; + struct perf_record_opts opts; + u64 bytes_written; + const char *output_name; + struct perf_evlist *evlist; + struct perf_session *session; + const char *progname; + int output; + unsigned int page_size; + int realtime_prio; + enum write_mode_t write_mode; + bool no_buildid; + bool no_buildid_cache; + bool force; + bool file_new; + bool append_file; + long samples; + off_t post_processing_offset; }; -static unsigned int page_size; -static int output; -static const char *output_name = NULL; -static int realtime_prio = 0; -static enum write_mode_t write_mode = WRITE_FORCE; -static bool no_buildid = false; -static bool no_buildid_cache = false; -static struct perf_evlist *evsel_list; - -static long samples = 0; -static u64 bytes_written = 0; - -static int file_new = 1; -static off_t post_processing_offset; - -static struct perf_session *session; -static const char *progname; - -static void advance_output(size_t size) +static void advance_output(struct perf_record *rec, size_t size) { - bytes_written += size; + rec->bytes_written += size; } -static void write_output(void *buf, size_t size) +static void write_output(struct perf_record *rec, void *buf, size_t size) { while (size) { - int ret = write(output, buf, size); + int ret = write(rec->output, buf, size); if (ret < 0) die("failed to write"); @@ -79,30 +72,33 @@ static void write_output(void *buf, size_t size) size -= ret; buf += ret; - bytes_written += ret; + rec->bytes_written += ret; } } -static int process_synthesized_event(union perf_event *event, +static int process_synthesized_event(struct perf_event_ops *ops, + union perf_event *event, struct perf_sample *sample __used, struct perf_session *self __used) { - write_output(event, event->header.size); + struct perf_record *rec = container_of(ops, struct perf_record, ops); + write_output(rec, event, event->header.size); return 0; } -static void mmap_read(struct perf_mmap *md) +static void perf_record__mmap_read(struct perf_record *rec, + struct perf_mmap *md) { unsigned int head = perf_mmap__read_head(md); unsigned int old = md->prev; - unsigned char *data = md->base + page_size; + unsigned char *data = md->base + rec->page_size; unsigned long size; void *buf; if (old == head) return; - samples++; + rec->samples++; size = head - old; @@ -111,14 +107,14 @@ static void mmap_read(struct perf_mmap *md) size = md->mask + 1 - (old & md->mask); old += size; - write_output(buf, size); + write_output(rec, buf, size); } buf = &data[old & md->mask]; size = head - old; old += size; - write_output(buf, size); + write_output(rec, buf, size); md->prev = old; perf_mmap__write_tail(md, old); @@ -137,17 +133,18 @@ static void sig_handler(int sig) signr = sig; } -static void sig_atexit(void) +static void perf_record__sig_exit(int exit_status __used, void *arg) { + struct perf_record *rec = arg; int status; - if (evsel_list->workload.pid > 0) { + if (rec->evlist->workload.pid > 0) { if (!child_finished) - kill(evsel_list->workload.pid, SIGTERM); + kill(rec->evlist->workload.pid, SIGTERM); wait(&status); if (WIFSIGNALED(status)) - psignal(WTERMSIG(status), progname); + psignal(WTERMSIG(status), rec->progname); } if (signr == -1 || signr == SIGUSR1) @@ -176,13 +173,16 @@ static bool perf_evlist__equal(struct perf_evlist *evlist, return true; } -static void open_counters(struct perf_evlist *evlist) +static void perf_record__open(struct perf_record *rec) { struct perf_evsel *pos, *first; + struct perf_evlist *evlist = rec->evlist; + struct perf_session *session = rec->session; + struct perf_record_opts *opts = &rec->opts; first = list_entry(evlist->entries.next, struct perf_evsel, node); - perf_evlist__config_attrs(evlist, &record_opts); + perf_evlist__config_attrs(evlist, opts); list_for_each_entry(pos, &evlist->entries, node) { struct perf_event_attr *attr = &pos->attr; @@ -201,27 +201,27 @@ static void open_counters(struct perf_evlist *evlist) */ bool time_needed = attr->sample_type & PERF_SAMPLE_TIME; - if (record_opts.group && pos != first) + if (opts->group && pos != first) group_fd = first->fd; retry_sample_id: - attr->sample_id_all = record_opts.sample_id_all_avail ? 1 : 0; + attr->sample_id_all = opts->sample_id_all_avail ? 1 : 0; try_again: if (perf_evsel__open(pos, evlist->cpus, evlist->threads, - record_opts.group, group_fd) < 0) { + opts->group, group_fd) < 0) { int err = errno; if (err == EPERM || err == EACCES) { ui__error_paranoid(); exit(EXIT_FAILURE); - } else if (err == ENODEV && record_opts.cpu_list) { + } else if (err == ENODEV && opts->cpu_list) { die("No such device - did you specify" " an out-of-range profile CPU?\n"); - } else if (err == EINVAL && record_opts.sample_id_all_avail) { + } else if (err == EINVAL && opts->sample_id_all_avail) { /* * Old kernel, no attr->sample_id_type_all field */ - record_opts.sample_id_all_avail = false; - if (!record_opts.sample_time && !record_opts.raw_samples && !time_needed) + opts->sample_id_all_avail = false; + if (!opts->sample_time && !opts->raw_samples && !time_needed) attr->sample_type &= ~PERF_SAMPLE_TIME; goto retry_sample_id; @@ -271,10 +271,10 @@ try_again: exit(-1); } - if (perf_evlist__mmap(evlist, record_opts.mmap_pages, false) < 0) + if (perf_evlist__mmap(evlist, opts->mmap_pages, false) < 0) die("failed to mmap with %d (%s)\n", errno, strerror(errno)); - if (file_new) + if (rec->file_new) session->evlist = evlist; else { if (!perf_evlist__equal(session->evlist, evlist)) { @@ -286,29 +286,32 @@ try_again: perf_session__update_sample_type(session); } -static int process_buildids(void) +static int process_buildids(struct perf_record *rec) { - u64 size = lseek(output, 0, SEEK_CUR); + u64 size = lseek(rec->output, 0, SEEK_CUR); if (size == 0) return 0; - session->fd = output; - return __perf_session__process_events(session, post_processing_offset, - size - post_processing_offset, + rec->session->fd = rec->output; + return __perf_session__process_events(rec->session, rec->post_processing_offset, + size - rec->post_processing_offset, size, &build_id__mark_dso_hit_ops); } -static void atexit_header(void) +static void perf_record__exit(int status __used, void *arg) { - if (!record_opts.pipe_output) { - session->header.data_size += bytes_written; - - if (!no_buildid) - process_buildids(); - perf_session__write_header(session, evsel_list, output, true); - perf_session__delete(session); - perf_evlist__delete(evsel_list); + struct perf_record *rec = arg; + + if (!rec->opts.pipe_output) { + rec->session->header.data_size += rec->bytes_written; + + if (!rec->no_buildid) + process_buildids(rec); + perf_session__write_header(rec->session, rec->evlist, + rec->output, true); + perf_session__delete(rec->session); + perf_evlist__delete(rec->evlist); symbol__exit(); } } @@ -316,7 +319,9 @@ static void atexit_header(void) static void perf_event__synthesize_guest_os(struct machine *machine, void *data) { int err; - struct perf_session *psession = data; + struct perf_event_ops *ops = data; + struct perf_record *rec = container_of(ops, struct perf_record, ops); + struct perf_session *psession = rec->session; if (machine__is_host(machine)) return; @@ -329,7 +334,7 @@ static void perf_event__synthesize_guest_os(struct machine *machine, void *data) *method is used to avoid symbol missing when the first addr is *in module instead of in guest kernel. */ - err = perf_event__synthesize_modules(process_synthesized_event, + err = perf_event__synthesize_modules(ops, process_synthesized_event, psession, machine); if (err < 0) pr_err("Couldn't record guest kernel [%d]'s reference" @@ -339,10 +344,10 @@ static void perf_event__synthesize_guest_os(struct machine *machine, void *data) * We use _stext for guest kernel because guest kernel's /proc/kallsyms * have no _text sometimes. */ - err = perf_event__synthesize_kernel_mmap(process_synthesized_event, + err = perf_event__synthesize_kernel_mmap(ops, process_synthesized_event, psession, machine, "_text"); if (err < 0) - err = perf_event__synthesize_kernel_mmap(process_synthesized_event, + err = perf_event__synthesize_kernel_mmap(ops, process_synthesized_event, psession, machine, "_stext"); if (err < 0) @@ -355,66 +360,71 @@ static struct perf_event_header finished_round_event = { .type = PERF_RECORD_FINISHED_ROUND, }; -static void mmap_read_all(void) +static void perf_record__mmap_read_all(struct perf_record *rec) { int i; - for (i = 0; i < evsel_list->nr_mmaps; i++) { - if (evsel_list->mmap[i].base) - mmap_read(&evsel_list->mmap[i]); + for (i = 0; i < rec->evlist->nr_mmaps; i++) { + if (rec->evlist->mmap[i].base) + perf_record__mmap_read(rec, &rec->evlist->mmap[i]); } - if (perf_header__has_feat(&session->header, HEADER_TRACE_INFO)) - write_output(&finished_round_event, sizeof(finished_round_event)); + if (perf_header__has_feat(&rec->session->header, HEADER_TRACE_INFO)) + write_output(rec, &finished_round_event, sizeof(finished_round_event)); } -static int __cmd_record(int argc, const char **argv) +static int __cmd_record(struct perf_record *rec, int argc, const char **argv) { struct stat st; int flags; - int err; + int err, output; unsigned long waking = 0; const bool forks = argc > 0; struct machine *machine; + struct perf_event_ops *ops = &rec->ops; + struct perf_record_opts *opts = &rec->opts; + struct perf_evlist *evsel_list = rec->evlist; + const char *output_name = rec->output_name; + struct perf_session *session; - progname = argv[0]; + rec->progname = argv[0]; - page_size = sysconf(_SC_PAGE_SIZE); + rec->page_size = sysconf(_SC_PAGE_SIZE); - atexit(sig_atexit); + on_exit(perf_record__sig_exit, rec); signal(SIGCHLD, sig_handler); signal(SIGINT, sig_handler); signal(SIGUSR1, sig_handler); if (!output_name) { if (!fstat(STDOUT_FILENO, &st) && S_ISFIFO(st.st_mode)) - record_opts.pipe_output = true; + opts->pipe_output = true; else - output_name = "perf.data"; + rec->output_name = output_name = "perf.data"; } if (output_name) { if (!strcmp(output_name, "-")) - record_opts.pipe_output = true; + opts->pipe_output = true; else if (!stat(output_name, &st) && st.st_size) { - if (write_mode == WRITE_FORCE) { + if (rec->write_mode == WRITE_FORCE) { char oldname[PATH_MAX]; snprintf(oldname, sizeof(oldname), "%s.old", output_name); unlink(oldname); rename(output_name, oldname); } - } else if (write_mode == WRITE_APPEND) { - write_mode = WRITE_FORCE; + } else if (rec->write_mode == WRITE_APPEND) { + rec->write_mode = WRITE_FORCE; } } flags = O_CREAT|O_RDWR; - if (write_mode == WRITE_APPEND) - file_new = 0; + if (rec->write_mode == WRITE_APPEND) + rec->file_new = 0; else flags |= O_TRUNC; - if (record_opts.pipe_output) + if (opts->pipe_output) output = STDOUT_FILENO; else output = open(output_name, flags, S_IRUSR | S_IWUSR); @@ -423,17 +433,21 @@ static int __cmd_record(int argc, const char **argv) exit(-1); } + rec->output = output; + session = perf_session__new(output_name, O_WRONLY, - write_mode == WRITE_FORCE, false, NULL); + rec->write_mode == WRITE_FORCE, false, NULL); if (session == NULL) { pr_err("Not enough memory for reading perf file header\n"); return -1; } - if (!no_buildid) + rec->session = session; + + if (!rec->no_buildid) perf_header__set_feat(&session->header, HEADER_BUILD_ID); - if (!file_new) { + if (!rec->file_new) { err = perf_session__read_header(session, output); if (err < 0) goto out_delete_session; @@ -456,42 +470,42 @@ static int __cmd_record(int argc, const char **argv) perf_header__set_feat(&session->header, HEADER_CPUID); if (forks) { - err = perf_evlist__prepare_workload(evsel_list, &record_opts, argv); + err = perf_evlist__prepare_workload(evsel_list, opts, argv); if (err < 0) { pr_err("Couldn't run the workload!\n"); goto out_delete_session; } } - open_counters(evsel_list); + perf_record__open(rec); /* - * perf_session__delete(session) will be called at atexit_header() + * perf_session__delete(session) will be called at perf_record__exit() */ - atexit(atexit_header); + on_exit(perf_record__exit, rec); - if (record_opts.pipe_output) { + if (opts->pipe_output) { err = perf_header__write_pipe(output); if (err < 0) return err; - } else if (file_new) { + } else if (rec->file_new) { err = perf_session__write_header(session, evsel_list, output, false); if (err < 0) return err; } - post_processing_offset = lseek(output, 0, SEEK_CUR); + rec->post_processing_offset = lseek(output, 0, SEEK_CUR); - if (record_opts.pipe_output) { - err = perf_session__synthesize_attrs(session, - process_synthesized_event); + if (opts->pipe_output) { + err = perf_event__synthesize_attrs(ops, session, + process_synthesized_event); if (err < 0) { pr_err("Couldn't synthesize attrs.\n"); return err; } - err = perf_event__synthesize_event_types(process_synthesized_event, + err = perf_event__synthesize_event_types(ops, process_synthesized_event, session); if (err < 0) { pr_err("Couldn't synthesize event_types.\n"); @@ -507,14 +521,14 @@ static int __cmd_record(int argc, const char **argv) * return this more properly and also * propagate errors that now are calling die() */ - err = perf_event__synthesize_tracing_data(output, evsel_list, + err = perf_event__synthesize_tracing_data(ops, output, evsel_list, process_synthesized_event, session); if (err <= 0) { pr_err("Couldn't record tracing data.\n"); return err; } - advance_output(err); + advance_output(rec, err); } } @@ -524,17 +538,17 @@ static int __cmd_record(int argc, const char **argv) return -1; } - err = perf_event__synthesize_kernel_mmap(process_synthesized_event, + err = perf_event__synthesize_kernel_mmap(ops, process_synthesized_event, session, machine, "_text"); if (err < 0) - err = perf_event__synthesize_kernel_mmap(process_synthesized_event, + err = perf_event__synthesize_kernel_mmap(ops, process_synthesized_event, session, machine, "_stext"); if (err < 0) pr_err("Couldn't record kernel reference relocation symbol\n" "Symbol resolution may be skewed if relocation was used (e.g. kexec).\n" "Check /proc/kallsyms permission or run as root.\n"); - err = perf_event__synthesize_modules(process_synthesized_event, + err = perf_event__synthesize_modules(ops, process_synthesized_event, session, machine); if (err < 0) pr_err("Couldn't record kernel module information.\n" @@ -542,21 +556,21 @@ static int __cmd_record(int argc, const char **argv) "Check /proc/modules permission or run as root.\n"); if (perf_guest) - perf_session__process_machines(session, + perf_session__process_machines(session, ops, perf_event__synthesize_guest_os); - if (!record_opts.system_wide) - perf_event__synthesize_thread_map(evsel_list->threads, + if (!opts->system_wide) + perf_event__synthesize_thread_map(ops, evsel_list->threads, process_synthesized_event, session); else - perf_event__synthesize_threads(process_synthesized_event, + perf_event__synthesize_threads(ops, process_synthesized_event, session); - if (realtime_prio) { + if (rec->realtime_prio) { struct sched_param param; - param.sched_priority = realtime_prio; + param.sched_priority = rec->realtime_prio; if (sched_setscheduler(0, SCHED_FIFO, ¶m)) { pr_err("Could not set realtime priority.\n"); exit(-1); @@ -572,11 +586,11 @@ static int __cmd_record(int argc, const char **argv) perf_evlist__start_workload(evsel_list); for (;;) { - int hits = samples; + int hits = rec->samples; - mmap_read_all(); + perf_record__mmap_read_all(rec); - if (hits == samples) { + if (hits == rec->samples) { if (done) break; err = poll(evsel_list->pollfd, evsel_list->nr_fds, -1); @@ -597,9 +611,9 @@ static int __cmd_record(int argc, const char **argv) */ fprintf(stderr, "[ perf record: Captured and wrote %.3f MB %s (~%" PRIu64 " samples) ]\n", - (double)bytes_written / 1024.0 / 1024.0, + (double)rec->bytes_written / 1024.0 / 1024.0, output_name, - bytes_written / 24); + rec->bytes_written / 24); return 0; @@ -614,59 +628,88 @@ static const char * const record_usage[] = { NULL }; -static bool force, append_file; +/* + * XXX Ideally would be local to cmd_record() and passed to a perf_record__new + * because we need to have access to it in perf_record__exit, that is called + * after cmd_record() exits, but since record_options need to be accessible to + * builtin-script, leave it here. + * + * At least we don't ouch it in all the other functions here directly. + * + * Just say no to tons of global variables, sigh. + */ +static struct perf_record record = { + .opts = { + .target_pid = -1, + .target_tid = -1, + .mmap_pages = UINT_MAX, + .user_freq = UINT_MAX, + .user_interval = ULLONG_MAX, + .freq = 1000, + .sample_id_all_avail = true, + }, + .write_mode = WRITE_FORCE, + .file_new = true, +}; +/* + * XXX Will stay a global variable till we fix builtin-script.c to stop messing + * with it and switch to use the library functions in perf_evlist that came + * from builtin-record.c, i.e. use perf_record_opts, + * perf_evlist__prepare_workload, etc instead of fork+exec'in 'perf record', + * using pipes, etc. + */ const struct option record_options[] = { - OPT_CALLBACK('e', "event", &evsel_list, "event", + OPT_CALLBACK('e', "event", &record.evlist, "event", "event selector. use 'perf list' to list available events", parse_events_option), - OPT_CALLBACK(0, "filter", &evsel_list, "filter", + OPT_CALLBACK(0, "filter", &record.evlist, "filter", "event filter", parse_filter), - OPT_INTEGER('p', "pid", &record_opts.target_pid, + OPT_INTEGER('p', "pid", &record.opts.target_pid, "record events on existing process id"), - OPT_INTEGER('t', "tid", &record_opts.target_tid, + OPT_INTEGER('t', "tid", &record.opts.target_tid, "record events on existing thread id"), - OPT_INTEGER('r', "realtime", &realtime_prio, + OPT_INTEGER('r', "realtime", &record.realtime_prio, "collect data with this RT SCHED_FIFO priority"), - OPT_BOOLEAN('D', "no-delay", &record_opts.no_delay, + OPT_BOOLEAN('D', "no-delay", &record.opts.no_delay, "collect data without buffering"), - OPT_BOOLEAN('R', "raw-samples", &record_opts.raw_samples, + OPT_BOOLEAN('R', "raw-samples", &record.opts.raw_samples, "collect raw sample records from all opened counters"), - OPT_BOOLEAN('a', "all-cpus", &record_opts.system_wide, + OPT_BOOLEAN('a', "all-cpus", &record.opts.system_wide, "system-wide collection from all CPUs"), - OPT_BOOLEAN('A', "append", &append_file, + OPT_BOOLEAN('A', "append", &record.append_file, "append to the output file to do incremental profiling"), - OPT_STRING('C', "cpu", &record_opts.cpu_list, "cpu", + OPT_STRING('C', "cpu", &record.opts.cpu_list, "cpu", "list of cpus to monitor"), - OPT_BOOLEAN('f', "force", &force, + OPT_BOOLEAN('f', "force", &record.force, "overwrite existing data file (deprecated)"), - OPT_U64('c', "count", &record_opts.user_interval, "event period to sample"), - OPT_STRING('o', "output", &output_name, "file", + OPT_U64('c', "count", &record.opts.user_interval, "event period to sample"), + OPT_STRING('o', "output", &record.output_name, "file", "output file name"), - OPT_BOOLEAN('i', "no-inherit", &record_opts.no_inherit, + OPT_BOOLEAN('i', "no-inherit", &record.opts.no_inherit, "child tasks do not inherit counters"), - OPT_UINTEGER('F', "freq", &record_opts.user_freq, "profile at this frequency"), - OPT_UINTEGER('m', "mmap-pages", &record_opts.mmap_pages, + OPT_UINTEGER('F', "freq", &record.opts.user_freq, "profile at this frequency"), + OPT_UINTEGER('m', "mmap-pages", &record.opts.mmap_pages, "number of mmap data pages"), - OPT_BOOLEAN(0, "group", &record_opts.group, + OPT_BOOLEAN(0, "group", &record.opts.group, "put the counters into a counter group"), - OPT_BOOLEAN('g', "call-graph", &record_opts.call_graph, + OPT_BOOLEAN('g', "call-graph", &record.opts.call_graph, "do call-graph (stack chain/backtrace) recording"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"), OPT_BOOLEAN('q', "quiet", &quiet, "don't print any message"), - OPT_BOOLEAN('s', "stat", &record_opts.inherit_stat, + OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat, "per thread counts"), - OPT_BOOLEAN('d', "data", &record_opts.sample_address, + OPT_BOOLEAN('d', "data", &record.opts.sample_address, "Sample addresses"), - OPT_BOOLEAN('T', "timestamp", &record_opts.sample_time, "Sample timestamps"), - OPT_BOOLEAN('n', "no-samples", &record_opts.no_samples, + OPT_BOOLEAN('T', "timestamp", &record.opts.sample_time, "Sample timestamps"), + OPT_BOOLEAN('n', "no-samples", &record.opts.no_samples, "don't sample"), - OPT_BOOLEAN('N', "no-buildid-cache", &no_buildid_cache, + OPT_BOOLEAN('N', "no-buildid-cache", &record.no_buildid_cache, "do not update the buildid cache"), - OPT_BOOLEAN('B', "no-buildid", &no_buildid, + OPT_BOOLEAN('B', "no-buildid", &record.no_buildid, "do not collect buildids in perf.data"), - OPT_CALLBACK('G', "cgroup", &evsel_list, "name", + OPT_CALLBACK('G', "cgroup", &record.evlist, "name", "monitor event in cgroup name only", parse_cgroups), OPT_END() @@ -676,6 +719,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) { int err = -ENOMEM; struct perf_evsel *pos; + struct perf_evlist *evsel_list; + struct perf_record *rec = &record; perf_header__set_cmdline(argc, argv); @@ -683,23 +728,25 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) if (evsel_list == NULL) return -ENOMEM; + rec->evlist = evsel_list; + argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (!argc && record_opts.target_pid == -1 && record_opts.target_tid == -1 && - !record_opts.system_wide && !record_opts.cpu_list) + if (!argc && rec->opts.target_pid == -1 && rec->opts.target_tid == -1 && + !rec->opts.system_wide && !rec->opts.cpu_list) usage_with_options(record_usage, record_options); - if (force && append_file) { + if (rec->force && rec->append_file) { fprintf(stderr, "Can't overwrite and append at the same time." " You need to choose between -f and -A"); usage_with_options(record_usage, record_options); - } else if (append_file) { - write_mode = WRITE_APPEND; + } else if (rec->append_file) { + rec->write_mode = WRITE_APPEND; } else { - write_mode = WRITE_FORCE; + rec->write_mode = WRITE_FORCE; } - if (nr_cgroups && !record_opts.system_wide) { + if (nr_cgroups && !rec->opts.system_wide) { fprintf(stderr, "cgroup monitoring only available in" " system-wide mode\n"); usage_with_options(record_usage, record_options); @@ -717,7 +764,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) "If some relocation was applied (e.g. kexec) symbols may be misresolved\n" "even with a suitable vmlinux or kallsyms file.\n\n"); - if (no_buildid_cache || no_buildid) + if (rec->no_buildid_cache || rec->no_buildid) disable_buildid_cache(); if (evsel_list->nr_entries == 0 && @@ -726,11 +773,11 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) goto out_symbol_exit; } - if (record_opts.target_pid != -1) - record_opts.target_tid = record_opts.target_pid; + if (rec->opts.target_pid != -1) + rec->opts.target_tid = rec->opts.target_pid; - if (perf_evlist__create_maps(evsel_list, record_opts.target_pid, - record_opts.target_tid, record_opts.cpu_list) < 0) + if (perf_evlist__create_maps(evsel_list, rec->opts.target_pid, + rec->opts.target_tid, rec->opts.cpu_list) < 0) usage_with_options(record_usage, record_options); list_for_each_entry(pos, &evsel_list->entries, node) { @@ -744,25 +791,25 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) if (perf_evlist__alloc_pollfd(evsel_list) < 0) goto out_free_fd; - if (record_opts.user_interval != ULLONG_MAX) - record_opts.default_interval = record_opts.user_interval; - if (record_opts.user_freq != UINT_MAX) - record_opts.freq = record_opts.user_freq; + if (rec->opts.user_interval != ULLONG_MAX) + rec->opts.default_interval = rec->opts.user_interval; + if (rec->opts.user_freq != UINT_MAX) + rec->opts.freq = rec->opts.user_freq; /* * User specified count overrides default frequency. */ - if (record_opts.default_interval) - record_opts.freq = 0; - else if (record_opts.freq) { - record_opts.default_interval = record_opts.freq; + if (rec->opts.default_interval) + rec->opts.freq = 0; + else if (rec->opts.freq) { + rec->opts.default_interval = rec->opts.freq; } else { fprintf(stderr, "frequency and count are zero, aborting\n"); err = -EINVAL; goto out_free_fd; } - err = __cmd_record(argc, argv); + err = __cmd_record(&record, argc, argv); out_free_fd: perf_evlist__delete_maps(evsel_list); out_symbol_exit: |