diff options
Diffstat (limited to 'tools/testing/selftests/powerpc/pmu/event.c')
| -rw-r--r-- | tools/testing/selftests/powerpc/pmu/event.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/tools/testing/selftests/powerpc/pmu/event.c b/tools/testing/selftests/powerpc/pmu/event.c index 48e3a413b15d..0c1c1bdba081 100644 --- a/tools/testing/selftests/powerpc/pmu/event.c +++ b/tools/testing/selftests/powerpc/pmu/event.c @@ -8,6 +8,7 @@ #include <sys/syscall.h> #include <string.h> #include <stdio.h> +#include <stdbool.h> #include <sys/ioctl.h> #include "event.h" @@ -20,7 +21,8 @@ int perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu, group_fd, flags); } -void event_init_opts(struct event *e, u64 config, int type, char *name) +static void __event_init_opts(struct event *e, u64 config, + int type, char *name, bool sampling) { memset(e, 0, sizeof(*e)); @@ -32,6 +34,16 @@ void event_init_opts(struct event *e, u64 config, int type, char *name) /* This has to match the structure layout in the header */ e->attr.read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | \ PERF_FORMAT_TOTAL_TIME_RUNNING; + if (sampling) { + e->attr.sample_period = 1000; + e->attr.sample_type = PERF_SAMPLE_REGS_INTR; + e->attr.disabled = 1; + } +} + +void event_init_opts(struct event *e, u64 config, int type, char *name) +{ + __event_init_opts(e, config, type, name, false); } void event_init_named(struct event *e, u64 config, char *name) @@ -44,6 +56,11 @@ void event_init(struct event *e, u64 config) event_init_opts(e, config, PERF_TYPE_RAW, "event"); } +void event_init_sampling(struct event *e, u64 config) +{ + __event_init_opts(e, config, PERF_TYPE_RAW, "event", true); +} + #define PERF_CURRENT_PID 0 #define PERF_NO_PID -1 #define PERF_NO_CPU -1 |