diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-record.c | 44 | ||||
| -rw-r--r-- | tools/perf/builtin-stat.c | 45 | ||||
| -rw-r--r-- | tools/perf/builtin-test.c | 6 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 47 | ||||
| -rwxr-xr-x | tools/perf/python/twatch.py | 4 | ||||
| -rw-r--r-- | tools/perf/util/evlist.c | 67 | ||||
| -rw-r--r-- | tools/perf/util/evlist.h | 29 | ||||
| -rw-r--r-- | tools/perf/util/python.c | 25 |
8 files changed, 148 insertions, 119 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index edc3555..07f8d6d 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -42,7 +42,6 @@ static u64 user_interval = ULLONG_MAX; static u64 default_interval = 0; static u64 sample_type; -static struct cpu_map *cpus; static unsigned int page_size; static unsigned int mmap_pages = 128; static unsigned int user_freq = UINT_MAX; @@ -58,7 +57,6 @@ static bool sample_id_all_avail = true; static bool system_wide = false; static pid_t target_pid = -1; static pid_t target_tid = -1; -static struct thread_map *threads; static pid_t child_pid = -1; static bool no_inherit = false; static enum write_mode_t write_mode = WRITE_FORCE; @@ -189,7 +187,7 @@ static void create_counter(struct perf_evsel *evsel, int cpu) int thread_index; int ret; - for (thread_index = 0; thread_index < threads->nr; thread_index++) { + for (thread_index = 0; thread_index < evsel_list->threads->nr; thread_index++) { h_attr = get_header_attr(attr, evsel->idx); if (h_attr == NULL) die("nomem\n"); @@ -317,7 +315,8 @@ static void open_counters(struct perf_evlist *evlist) retry_sample_id: attr->sample_id_all = sample_id_all_avail ? 1 : 0; try_again: - if (perf_evsel__open(pos, cpus, threads, group, !no_inherit) < 0) { + if (perf_evsel__open(pos, evlist->cpus, evlist->threads, group, + !no_inherit) < 0) { int err = errno; if (err == EPERM || err == EACCES) @@ -368,10 +367,10 @@ try_again: } } - if (perf_evlist__mmap(evlist, cpus, threads, mmap_pages, false) < 0) + if (perf_evlist__mmap(evlist, mmap_pages, false) < 0) die("failed to mmap with %d (%s)\n", errno, strerror(errno)); - for (cpu = 0; cpu < cpus->nr; ++cpu) { + for (cpu = 0; cpu < evsel_list->cpus->nr; ++cpu) { list_for_each_entry(pos, &evlist->entries, node) create_counter(pos, cpu); } @@ -450,7 +449,7 @@ static void mmap_read_all(void) { int i; - for (i = 0; i < cpus->nr; i++) { + for (i = 0; i < evsel_list->cpus->nr; i++) { if (evsel_list->mmap[i].base) mmap_read(&evsel_list->mmap[i]); } @@ -584,7 +583,7 @@ static int __cmd_record(int argc, const char **argv) } if (!system_wide && target_tid == -1 && target_pid == -1) - threads->map[0] = child_pid; + evsel_list->threads->map[0] = child_pid; close(child_ready_pipe[1]); close(go_pipe[0]); @@ -718,12 +717,12 @@ static int __cmd_record(int argc, const char **argv) } if (done) { - for (i = 0; i < cpus->nr; i++) { + for (i = 0; i < evsel_list->cpus->nr; i++) { struct perf_evsel *pos; list_for_each_entry(pos, &evsel_list->entries, node) { for (thread = 0; - thread < threads->nr; + thread < evsel_list->threads->nr; thread++) ioctl(FD(pos, i, thread), PERF_EVENT_IOC_DISABLE); @@ -816,7 +815,7 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) int err = -ENOMEM; struct perf_evsel *pos; - evsel_list = perf_evlist__new(); + evsel_list = perf_evlist__new(NULL, NULL); if (evsel_list == NULL) return -ENOMEM; @@ -850,28 +849,19 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) if (target_pid != -1) target_tid = target_pid; - threads = thread_map__new(target_pid, target_tid); - if (threads == NULL) { - pr_err("Problems finding threads of monitor\n"); - usage_with_options(record_usage, record_options); - } - - if (target_tid != -1) - cpus = cpu_map__dummy_new(); - else - cpus = cpu_map__new(cpu_list); - - if (cpus == NULL) + if (perf_evlist__create_maps(evsel_list, target_pid, + target_tid, cpu_list) < 0) usage_with_options(record_usage, record_options); list_for_each_entry(pos, &evsel_list->entries, node) { - if (perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0) + if (perf_evsel__alloc_fd(pos, evsel_list->cpus->nr, + evsel_list->threads->nr) < 0) goto out_free_fd; if (perf_header__push_event(pos->attr.config, event_name(pos))) goto out_free_fd; } - if (perf_evlist__alloc_pollfd(evsel_list, cpus->nr, threads->nr) < 0) + if (perf_evlist__alloc_pollfd(evsel_list) < 0) goto out_free_fd; if (user_interval != ULLONG_MAX) @@ -893,10 +883,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) } err = __cmd_record(argc, argv); - out_free_fd: - thread_map__delete(threads); - threads = NULL; + perf_evlist__delete_maps(evsel_list); out_symbol_exit: symbol__exit(); return err; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 8906adf..e0f9575 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -76,7 +76,6 @@ static struct perf_event_attr default_attrs[] = { struct perf_evlist *evsel_list; static bool system_wide = false; -static struct cpu_map *cpus; static int run_idx = 0; static int run_count = 1; @@ -85,7 +84,6 @@ static bool scale = true; static bool no_aggr = false; static pid_t target_pid = -1; static pid_t target_tid = -1; -static struct thread_map *threads; static pid_t child_pid = -1; static bool null_run = false; static bool big_num = true; @@ -170,7 +168,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel) PERF_FORMAT_TOTAL_TIME_RUNNING; if (system_wide) - return perf_evsel__open_per_cpu(evsel, cpus, false, false); + return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, false, false); attr->inherit = !no_inherit; if (target_pid == -1 && target_tid == -1) { @@ -178,7 +176,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel) attr->enable_on_exec = 1; } - return perf_evsel__open_per_thread(evsel, threads, false, false); + return perf_evsel__open_per_thread(evsel, evsel_list->threads, false, false); } /* @@ -203,7 +201,8 @@ static int read_counter_aggr(struct perf_evsel *counter) u64 *count = counter->counts->aggr.values; int i; - if (__perf_evsel__read(counter, cpus->nr, threads->nr, scale) < 0) + if (__perf_evsel__read(counter, evsel_list->cpus->nr, + evsel_list->threads->nr, scale) < 0) return -1; for (i = 0; i < 3; i++) @@ -236,7 +235,7 @@ static int read_counter(struct perf_evsel *counter) u64 *count; int cpu; - for (cpu = 0; cpu < cpus->nr; cpu++) { + for (cpu = 0; cpu < evsel_list->cpus->nr; cpu++) { if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0) return -1; @@ -301,7 +300,7 @@ static int run_perf_stat(int argc __used, const char **argv) } if (target_tid == -1 && target_pid == -1 && !system_wide) - threads->map[0] = child_pid; + evsel_list->threads->map[0] = child_pid; /* * Wait for the child to be ready to exec. @@ -353,12 +352,13 @@ static int run_perf_stat(int argc __used, const char **argv) if (no_aggr) { list_for_each_entry(counter, &evsel_list->entries, node) { read_counter(counter); - perf_evsel__close_fd(counter, cpus->nr, 1); + perf_evsel__close_fd(counter, evsel_list->cpus->nr, 1); } } else { list_for_each_entry(counter, &evsel_list->entries, node) { read_counter_aggr(counter); - perf_evsel__close_fd(counter, cpus->nr, threads->nr); + perf_evsel__close_fd(counter, evsel_list->cpus->nr, + evsel_list->threads->nr); } } @@ -386,7 +386,7 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg) if (no_aggr) sprintf(cpustr, "CPU%*d%s", csv_output ? 0 : -4, - cpus->map[cpu], csv_sep); + evsel_list->cpus->map[cpu], csv_sep); fprintf(stderr, fmt, cpustr, msecs, csv_sep, event_name(evsel)); @@ -414,7 +414,7 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) if (no_aggr) sprintf(cpustr, "CPU%*d%s", csv_output ? 0 : -4, - cpus->map[cpu], csv_sep); + evsel_list->cpus->map[cpu], csv_sep); else cpu = 0; @@ -500,14 +500,14 @@ static void print_counter(struct perf_evsel *counter) u64 ena, run, val; int cpu; - for (cpu = 0; cpu < cpus->nr; cpu++) { + for (cpu = 0; cpu < evsel_list->cpus->nr; cpu++) { val = counter->counts->cpu[cpu].val; ena = counter->counts->cpu[cpu].ena; run = counter->counts->cpu[cpu].run; if (run == 0 || ena == 0) { fprintf(stderr, "CPU%*d%s%*s%s%-24s", csv_output ? 0 : -4, - cpus->map[cpu], csv_sep, + evsel_list->cpus->map[cpu], csv_sep, csv_output ? 0 : 18, "<not counted>", csv_sep, event_name(counter)); @@ -652,7 +652,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) setlocale(LC_ALL, ""); - evsel_list = perf_evlist__new(); + evsel_list = perf_evlist__new(NULL, NULL); if (evsel_list == NULL) return -ENOMEM; @@ -701,18 +701,18 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) if (target_pid != -1) target_tid = target_pid; - threads = thread_map__new(target_pid, target_tid); - if (threads == NULL) { + evsel_list->threads = thread_map__new(target_pid, target_tid); + if (evsel_list->threads == NULL) { pr_err("Problems finding threads of monitor\n"); usage_with_options(stat_usage, options); } if (system_wide) - cpus = cpu_map__new(cpu_list); + evsel_list->cpus = cpu_map__new(cpu_list); else - cpus = cpu_map__dummy_new(); + evsel_list->cpus = cpu_map__dummy_new(); - if (cpus == NULL) { + if (evsel_list->cpus == NULL) { perror("failed to parse CPUs map"); usage_with_options(stat_usage, options); return -1; @@ -720,8 +720,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) list_for_each_entry(pos, &evsel_list->entries, node) { if (perf_evsel__alloc_stat_priv(pos) < 0 || - perf_evsel__alloc_counts(pos, cpus->nr) < 0 || - perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0) + perf_evsel__alloc_counts(pos, evsel_list->cpus->nr) < 0 || + perf_evsel__alloc_fd(pos, evsel_list->cpus->nr, evsel_list->threads->nr) < 0) goto out_free_fd; } @@ -750,7 +750,6 @@ out_free_fd: perf_evsel__free_stat_priv(pos); perf_evlist__delete(evsel_list); out: - thread_map__delete(threads); - threads = NULL; + perf_evlist__delete_maps(evsel_list); return status; } diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 845b9bd..1b2106c 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -509,7 +509,7 @@ static int test__basic_mmap(void) goto out_free_cpus; } - evlist = perf_evlist__new(); + evlist = perf_evlist__new(cpus, threads); if (evlist == NULL) { pr_debug("perf_evlist__new\n"); goto out_free_cpus; @@ -537,7 +537,7 @@ static int test__basic_mmap(void) } } - if (perf_evlist__mmap(evlist, cpus, threads, 128, true) < 0) { + if (perf_evlist__mmap(evlist, 128, true) < 0) { pr_debug("failed to mmap events: %d (%s)\n", errno, strerror(errno)); goto out_close_fd; @@ -579,7 +579,7 @@ static int test__basic_mmap(void) err = 0; out_munmap: - perf_evlist__munmap(evlist, 1); + perf_evlist__munmap(evlist); out_close_fd: for (i = 0; i < nsyscalls; ++i) perf_evsel__close_fd(evsels[i], 1, threads->nr); diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 2f4d1f2..599036b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -73,9 +73,7 @@ static int print_entries; static int target_pid = -1; static int target_tid = -1; -static struct thread_map *threads; static bool inherit = false; -static struct cpu_map *cpus; static int realtime_prio = 0; static bool group = false; static unsigned int page_size; @@ -567,12 +565,13 @@ static void print_sym_table(struct perf_session *session) printf(" (all"); if (cpu_list) - printf(", CPU%s: %s)\n", cpus->nr > 1 ? "s" : "", cpu_list); + printf(", CPU%s: %s)\n", evsel_list->cpus->nr > 1 ? "s" : "", cpu_list); else { if (target_tid != -1) printf(")\n"); else - printf(", %d CPU%s)\n", cpus->nr, cpus->nr > 1 ? "s" : ""); + printf(", %d CPU%s)\n", evsel_list->cpus->nr, + evsel_list->cpus->nr > 1 ? "s" : ""); } printf("%-*.*s\n", win_width, win_width, graph_dotted_line); @@ -1124,7 +1123,7 @@ static void perf_session__mmap_read(struct perf_session *self) { int i; - for (i = 0; i < cpus->nr; i++) + for (i = 0; i < evsel_list->cpus->nr; i++) perf_session__mmap_read_cpu(self, i); } @@ -1150,7 +1149,8 @@ static void start_counters(struct perf_evlist *evlist) attr->mmap = 1; try_again: - if (perf_evsel__open(counter, cpus, threads, group, inherit) < 0) { + if (perf_evsel__open(counter, evsel_list->cpus, + evsel_list->threads, group, inherit) < 0) { int err = errno; if (err == EPERM || err == EACCES) @@ -1181,7 +1181,7 @@ try_again: } } - if (perf_evlist__mmap(evlist, cpus, threads, mmap_pages, false) < 0) + if (perf_evlist__mmap(evlist, mmap_pages, false) < 0) die("failed to mmap with %d (%s)\n", errno, strerror(errno)); } @@ -1296,7 +1296,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) struct perf_evsel *pos; int status = -ENOMEM; - evsel_list = perf_evlist__new(); + evsel_list = perf_evlist__new(NULL, NULL); if (evsel_list == NULL) return -ENOMEM; @@ -1306,15 +1306,6 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) if (argc) usage_with_options(top_usage, options); - if (target_pid != -1) - target_tid = target_pid; - - threads = thread_map__new(target_pid, target_tid); - if (threads == NULL) { - pr_err("Problems finding threads of monitor\n"); - usage_with_options(top_usage, options); - } - /* CPU and PID are mutually exclusive */ if (target_tid > 0 && cpu_list) { printf("WARNING: PID switch overriding CPU\n"); @@ -1322,6 +1313,13 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) cpu_list = NULL; } + if (target_pid != -1) + target_tid = target_pid; + + if (perf_evlist__create_maps(evsel_list, target_pid, + target_tid, cpu_list) < 0) + usage_with_options(top_usage, options); + if (!evsel_list->nr_entries && perf_evlist__add_default(evsel_list) < 0) { pr_err("Not enough memory for event selector list\n"); @@ -1343,16 +1341,9 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) exit(EXIT_FAILURE); } - if (target_tid != -1) - cpus = cpu_map__dummy_new(); - else - cpus = cpu_map__new(cpu_list); - - if (cpus == NULL) - usage_with_options(top_usage, options); - list_for_each_entry(pos, &evsel_list->entries, node) { - if (perf_evsel__alloc_fd(pos, cpus->nr, threads->nr) < 0) + if (perf_evsel__alloc_fd(pos, evsel_list->cpus->nr, + evsel_list->threads->nr) < 0) goto out_free_fd; /* * Fill in the ones not specifically initialized via -c: @@ -1363,8 +1354,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) pos->attr.sample_period = default_interval; } - if (perf_evlist__alloc_pollfd(evsel_list, cpus->nr, threads->nr) < 0 || - perf_evlist__alloc_mmap(evsel_list, cpus->nr) < 0) + if (perf_evlist__alloc_pollfd(evsel_list) < 0 || + perf_evlist__alloc_mmap(evsel_list) < 0) goto out_free_fd; sym_evsel = list_entry(evsel_list->entries.next, struct perf_evsel, node); diff --git a/tools/perf/python/twatch.py b/tools/perf/python/twatch.py index 5e9f3b7..df638c4 100755 --- a/tools/perf/python/twatch.py +++ b/tools/perf/python/twatch.py @@ -23,9 +23,9 @@ def main(): sample_id_all = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID) evsel.open(cpus = cpus, threads = threads); - evlist = perf.evlist() + evlist = perf.evlist(cpus, threads) evlist.add(evsel) - evlist.mmap(cpus = cpus, threads = threads) + evlist.mmap() while True: evlist.poll(timeout = -1) for cpu in cpus: diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index dcd5932..95b21fe 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -21,21 +21,24 @@ #define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) #define SID(e, x, y) xyarray__entry(e->id, x, y) -void perf_evlist__init(struct perf_evlist *evlist) +void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus, + struct thread_map *threads) { int i; for (i = 0; i < PERF_EVLIST__HLIST_SIZE; ++i) INIT_HLIST_HEAD(&evlist->heads[i]); INIT_LIST_HEAD(&evlist->entries); + perf_evlist__set_maps(evlist, cpus, threads); } -struct perf_evlist *perf_evlist__new(void) +struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, + struct thread_map *threads) { struct perf_evlist *evlist = zalloc(sizeof(*evlist)); if (evlist != NULL) - perf_evlist__init(evlist); + perf_evlist__init(evlist, cpus, threads); return evlist; } @@ -88,9 +91,9 @@ int perf_evlist__add_default(struct perf_evlist *evlist) return 0; } -int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthreads) +int perf_evlist__alloc_pollfd(struct perf_evlist *evlist) { - int nfds = ncpus * nthreads * evlist->nr_entries; + int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries; evlist->pollfd = malloc(sizeof(struct pollfd) * nfds); return evlist->pollfd != NULL ? 0 : -ENOMEM; } @@ -213,11 +216,11 @@ union perf_event *perf_evlist__read_on_cpu(struct perf_evlist *evlist, int cpu) return event; } -void perf_evlist__munmap(struct perf_evlist *evlist, int ncpus) +void perf_evlist__munmap(struct perf_evlist *evlist) { int cpu; - for (cpu = 0; cpu < ncpus; cpu++) { + for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { if (evlist->mmap[cpu].base != NULL) { munmap(evlist->mmap[cpu].base, evlist->mmap_len); evlist->mmap[cpu].base = NULL; @@ -225,9 +228,9 @@ void perf_evlist__munmap(struct perf_evlist *evlist, int ncpus) } } -int perf_evlist__alloc_mmap(struct perf_evlist *evlist, int ncpus) +int perf_evlist__alloc_mmap(struct perf_evlist *evlist) { - evlist->mmap = zalloc(ncpus * sizeof(struct perf_mmap)); + evlist->mmap = zalloc(evlist->cpus->nr * sizeof(struct perf_mmap)); return evlist->mmap != NULL ? 0 : -ENOMEM; } @@ -248,8 +251,6 @@ static int __perf_evlist__mmap(struct perf_evlist *evlist, int cpu, int prot, /** perf_evlist__mmap - Create per cpu maps to receive events * * @evlist - list of events - * @cpus - cpu map being monitored - * @threads - threads map being monitored * @pages - map length in pages * @overwrite - overwrite older events? * @@ -259,21 +260,22 @@ static int __perf_evlist__mmap(struct perf_evlist *evlist, int cpu, int prot, * unsigned int head = perf_mmap__read_head(m); * * perf_mmap__write_tail(m, head) + * + * Using perf_evlist__read_on_cpu does this automatically. */ -int perf_evlist__mmap(struct perf_evlist *evlist, struct cpu_map *cpus, - struct thread_map *threads, int pages, bool overwrite) +int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite) { unsigned int page_size = sysconf(_SC_PAGE_SIZE); int mask = pages * page_size - 1, cpu; struct perf_evsel *first_evsel, *evsel; + const struct cpu_map *cpus = evlist->cpus; + const struct thread_map *threads = evlist->threads; int thread, prot = PROT_READ | (overwrite ? 0 : PROT_WRITE); - if (evlist->mmap == NULL && - perf_evlist__alloc_mmap(evlist, cpus->nr) < 0) + if (evlist->mmap == NULL && perf_evlist__alloc_mmap(evlist) < 0) return -ENOMEM; - if (evlist->pollfd == NULL && - perf_evlist__alloc_pollfd(evlist, cpus->nr, threads->nr) < 0) + if (evlist->pollfd == NULL && perf_evlist__alloc_pollfd(evlist) < 0) return -ENOMEM; evlist->overwrite = overwrite; @@ -315,3 +317,34 @@ out_unmap: } return -1; } + +int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid, + pid_t target_tid, const char *cpu_list) +{ + evlist->threads = thread_map__new(target_pid, target_tid); + + if (evlist->threads == NULL) + return -1; + + if (target_tid != -1) + evlist->cpus = cpu_map__dummy_new(); + else + evlist->cpus = cpu_map__new(cpu_list); + + if (evlist->cpus == NULL) + goto out_delete_threads; + + return 0; + +out_delete_threads: + thread_map__delete(evlist->threads); + return -1; +} + +void perf_evlist__delete_maps(struct perf_evlist *evlist) +{ + cpu_map__delete(evlist->cpus); + thread_map__delete(evlist->threads); + evlist->cpus = NULL; + evlist->threads = NULL; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 85aca6e..c988405 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -22,28 +22,43 @@ struct perf_evlist { union perf_event event_copy; struct perf_mmap *mmap; struct pollfd *pollfd; + struct thread_map *threads; + struct cpu_map *cpus; }; struct perf_evsel; -struct perf_evlist *perf_evlist__new(void); -void perf_evlist__init(struct perf_evlist *evlist); +struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, + struct thread_map *threads); +void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus, + struct thread_map *threads); void perf_evlist__exit(struct perf_evlist *evlist); void perf_evlist__delete(struct perf_evlist *evlist); void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); int perf_evlist__add_default(struct perf_evlist *evlist); -int perf_evlist__alloc_pollfd(struct perf_evlist *evlist, int ncpus, int nthreads); +int perf_evlist__alloc_pollfd(struct perf_evlist *evlist); void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); union perf_event *perf_evlist__read_on_cpu(struct perf_evlist *self, int cpu); -int perf_evlist__alloc_mmap(struct perf_evlist *evlist, int ncpus); -int perf_evlist__mmap(struct perf_evlist *evlist, struct cpu_map *cpus, - struct thread_map *threads, int pages, bool overwrite); -void perf_evlist__munmap(struct perf_evlist *evlist, int ncpus); +int perf_evlist__alloc_mmap(struct perf_evlist *evlist); +int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite); +void perf_evlist__munmap(struct perf_evlist *evlist); + +static inline void perf_evlist__set_maps(struct perf_evlist *evlist, + struct cpu_map *cpus, + struct thread_map *threads) +{ + evlist->cpus = cpus; + evlist->threads = threads; +} + +int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid, + pid_t target_tid, const char *cpu_list); +void perf_evlist__delete_maps(struct perf_evlist *evlist); #endif /* __PERF_EVLIST_H */ diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 88d4789..d2d5217 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -553,7 +553,16 @@ struct pyrf_evlist { static int pyrf_evlist__init(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { - perf_evlist__init(&pevlist->evlist); + PyObject *pcpus = NULL, *pthreads = NULL; + struct cpu_map *cpus; + struct thread_map *threads; + + if (!PyArg_ParseTuple(args, "OO", &pcpus, &pthreads)) + return -1; + + threads = ((struct pyrf_thread_map *)pthreads)->threads; + cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; + perf_evlist__init(&pevlist->evlist, cpus, threads); return 0; } @@ -567,21 +576,15 @@ static PyObject *pyrf_evlist__mmap(struct pyrf_evlist *pevlist, PyObject *args, PyObject *kwargs) { struct perf_evlist *evlist = &pevlist->evlist; - PyObject *pcpus = NULL, *pthreads = NULL; - struct cpu_map *cpus = NULL; - struct thread_map *threads = NULL; - static char *kwlist[] = {"cpus", "threads", "pages", "overwrite", + static char *kwlist[] = {"pages", "overwrite", NULL, NULL}; int pages = 128, overwrite = false; - if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OO|ii", kwlist, - &pcpus, &pthreads, &pages, &overwrite)) + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", kwlist, + &pages, &overwrite)) return NULL; - threads = ((struct pyrf_thread_map *)pthreads)->threads; - cpus = ((struct pyrf_cpu_map *)pcpus)->cpus; - - if (perf_evlist__mmap(evlist, cpus, threads, pages, overwrite) < 0) { + if (perf_evlist__mmap(evlist, pages, overwrite) < 0) { PyErr_SetFromErrno(PyExc_OSError); return NULL; } |