diff options
Diffstat (limited to 'kernel/tools/perf/tests/parse-events.c')
| -rw-r--r-- | kernel/tools/perf/tests/parse-events.c | 113 |
1 files changed, 88 insertions, 25 deletions
diff --git a/kernel/tools/perf/tests/parse-events.c b/kernel/tools/perf/tests/parse-events.c index 3de744961..636d7b42d 100644 --- a/kernel/tools/perf/tests/parse-events.c +++ b/kernel/tools/perf/tests/parse-events.c @@ -3,11 +3,11 @@ #include "evsel.h" #include "evlist.h" #include <api/fs/fs.h> -#include <api/fs/tracefs.h> -#include <api/fs/debugfs.h> #include "tests.h" #include "debug.h" +#include "util.h" #include <linux/hw_breakpoint.h> +#include <api/fs/fs.h> #define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \ PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD) @@ -82,8 +82,12 @@ static int test__checkevent_symbolic_name_config(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type); TEST_ASSERT_VAL("wrong config", PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config); + /* + * The period value gets configured within perf_evlist__config, + * while this test executes only parse events method. + */ TEST_ASSERT_VAL("wrong period", - 100000 == evsel->attr.sample_period); + 0 == evsel->attr.sample_period); TEST_ASSERT_VAL("wrong config1", 0 == evsel->attr.config1); TEST_ASSERT_VAL("wrong config2", @@ -406,7 +410,11 @@ static int test__checkevent_pmu(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong config", 10 == evsel->attr.config); TEST_ASSERT_VAL("wrong config1", 1 == evsel->attr.config1); TEST_ASSERT_VAL("wrong config2", 3 == evsel->attr.config2); - TEST_ASSERT_VAL("wrong period", 1000 == evsel->attr.sample_period); + /* + * The period value gets configured within perf_evlist__config, + * while this test executes only parse events method. + */ + TEST_ASSERT_VAL("wrong period", 0 == evsel->attr.sample_period); return 0; } @@ -427,7 +435,7 @@ static int test__checkevent_list(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong exclude_hv", !evsel->attr.exclude_hv); TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip); - /* syscalls:sys_enter_open:k */ + /* syscalls:sys_enter_openat:k */ evsel = perf_evsel__next(evsel); TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type); TEST_ASSERT_VAL("wrong sample_type", @@ -471,6 +479,39 @@ static int test__checkevent_pmu_name(struct perf_evlist *evlist) return 0; } +static int test__checkevent_pmu_partial_time_callgraph(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel = perf_evlist__first(evlist); + + /* cpu/config=1,call-graph=fp,time,period=100000/ */ + TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries); + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type); + TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config); + /* + * The period, time and callgraph value gets configured + * within perf_evlist__config, + * while this test executes only parse events method. + */ + TEST_ASSERT_VAL("wrong period", 0 == evsel->attr.sample_period); + TEST_ASSERT_VAL("wrong callgraph", !(PERF_SAMPLE_CALLCHAIN & evsel->attr.sample_type)); + TEST_ASSERT_VAL("wrong time", !(PERF_SAMPLE_TIME & evsel->attr.sample_type)); + + /* cpu/config=2,call-graph=no,time=0,period=2000/ */ + evsel = perf_evsel__next(evsel); + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type); + TEST_ASSERT_VAL("wrong config", 2 == evsel->attr.config); + /* + * The period, time and callgraph value gets configured + * within perf_evlist__config, + * while this test executes only parse events method. + */ + TEST_ASSERT_VAL("wrong period", 0 == evsel->attr.sample_period); + TEST_ASSERT_VAL("wrong callgraph", !(PERF_SAMPLE_CALLCHAIN & evsel->attr.sample_type)); + TEST_ASSERT_VAL("wrong time", !(PERF_SAMPLE_TIME & evsel->attr.sample_type)); + + return 0; +} + static int test__checkevent_pmu_events(struct perf_evlist *evlist) { struct perf_evsel *evsel = perf_evlist__first(evlist); @@ -665,7 +706,7 @@ static int test__group3(struct perf_evlist *evlist __maybe_unused) TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->nr_entries); TEST_ASSERT_VAL("wrong number of groups", 2 == evlist->nr_groups); - /* group1 syscalls:sys_enter_open:H */ + /* group1 syscalls:sys_enter_openat:H */ evsel = leader = perf_evlist__first(evlist); TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->attr.type); TEST_ASSERT_VAL("wrong sample_type", @@ -1219,25 +1260,24 @@ test__checkevent_breakpoint_len_rw_modifier(struct perf_evlist *evlist) return test__checkevent_breakpoint_rw(evlist); } +static int test__checkevent_precise_max_modifier(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel = perf_evlist__first(evlist); + + TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->nr_entries); + TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->attr.type); + TEST_ASSERT_VAL("wrong config", + PERF_COUNT_SW_TASK_CLOCK == evsel->attr.config); + return 0; +} + static int count_tracepoints(void) { - char events_path[PATH_MAX]; struct dirent *events_ent; - const char *mountpoint; DIR *events_dir; int cnt = 0; - mountpoint = tracefs_find_mountpoint(); - if (mountpoint) { - scnprintf(events_path, PATH_MAX, "%s/events", - mountpoint); - } else { - mountpoint = debugfs_find_mountpoint(); - scnprintf(events_path, PATH_MAX, "%s/tracing/events", - mountpoint); - } - - events_dir = opendir(events_path); + events_dir = opendir(tracing_events_path); TEST_ASSERT_VAL("Can't open events dir", events_dir); @@ -1254,7 +1294,7 @@ static int count_tracepoints(void) continue; scnprintf(sys_path, PATH_MAX, "%s/%s", - events_path, events_ent->d_name); + tracing_events_path, events_ent->d_name); sys_dir = opendir(sys_path); TEST_ASSERT_VAL("Can't open sys dir", sys_dir); @@ -1293,7 +1333,7 @@ struct evlist_test { static struct evlist_test test__events[] = { { - .name = "syscalls:sys_enter_open", + .name = "syscalls:sys_enter_openat", .check = test__checkevent_tracepoint, .id = 0, }, @@ -1353,7 +1393,7 @@ static struct evlist_test test__events[] = { .id = 11, }, { - .name = "syscalls:sys_enter_open:k", + .name = "syscalls:sys_enter_openat:k", .check = test__checkevent_tracepoint_modifier, .id = 12, }, @@ -1408,7 +1448,7 @@ static struct evlist_test test__events[] = { .id = 22, }, { - .name = "r1,syscalls:sys_enter_open:k,1:1:hp", + .name = "r1,syscalls:sys_enter_openat:k,1:1:hp", .check = test__checkevent_list, .id = 23, }, @@ -1443,7 +1483,7 @@ static struct evlist_test test__events[] = { .id = 29, }, { - .name = "group1{syscalls:sys_enter_open:H,cycles:kppp},group2{cycles,1:3}:G,instructions:u", + .name = "group1{syscalls:sys_enter_openat:H,cycles:kppp},group2{cycles,1:3}:G,instructions:u", .check = test__group3, .id = 30, }, @@ -1534,6 +1574,11 @@ static struct evlist_test test__events[] = { .check = test__checkevent_exclude_idle_modifier_1, .id = 46, }, + { + .name = "task-clock:P,cycles", + .check = test__checkevent_precise_max_modifier, + .id = 47, + }, }; static struct evlist_test test__events_pmu[] = { @@ -1547,6 +1592,11 @@ static struct evlist_test test__events_pmu[] = { .check = test__checkevent_pmu_name, .id = 1, }, + { + .name = "cpu/config=1,call-graph=fp,time,period=100000/,cpu/config=2,call-graph=no,time=0,period=2000/", + .check = test__checkevent_pmu_partial_time_callgraph, + .id = 2, + }, }; struct terms_test { @@ -1571,7 +1621,7 @@ static int test_event(struct evlist_test *e) if (evlist == NULL) return -ENOMEM; - ret = parse_events(evlist, e->name); + ret = parse_events(evlist, e->name, NULL); if (ret) { pr_debug("failed to parse event '%s', err %d\n", e->name, ret); @@ -1704,6 +1754,17 @@ static int test_pmu_events(void) return ret; } +static void debug_warn(const char *warn, va_list params) +{ + char msg[1024]; + + if (!verbose) + return; + + vsnprintf(msg, sizeof(msg), warn, params); + fprintf(stderr, " Warning: %s\n", msg); +} + int test__parse_events(void) { int ret1, ret2 = 0; @@ -1715,6 +1776,8 @@ do { \ ret2 = ret1; \ } while (0) + set_warning_routine(debug_warn); + TEST_EVENTS(test__events); if (test_pmu()) |