diff options
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 8a73f75beb1..d1d25f6a5e2 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -131,8 +131,9 @@ enum perf_event_sample_format { PERF_SAMPLE_RAW = 1U << 10, PERF_SAMPLE_BRANCH_STACK = 1U << 11, PERF_SAMPLE_REGS_USER = 1U << 12, + PERF_SAMPLE_STACK_USER = 1U << 13, - PERF_SAMPLE_MAX = 1U << 13, /* non-ABI */ + PERF_SAMPLE_MAX = 1U << 14, /* non-ABI */ }; /* @@ -205,6 +206,7 @@ enum perf_event_read_format { #define PERF_ATTR_SIZE_VER1 72 /* add: config2 */ #define PERF_ATTR_SIZE_VER2 80 /* add: branch_sample_type */ #define PERF_ATTR_SIZE_VER3 88 /* add: sample_regs_user */ +#define PERF_ATTR_SIZE_VER4 96 /* add: sample_stack_user */ /* * Hardware event_id to monitor via a performance monitoring event: @@ -289,6 +291,14 @@ struct perf_event_attr { * See asm/perf_regs.h for details. */ __u64 sample_regs_user; + + /* + * Defines size of the user stack to dump on samples. + */ + __u32 sample_stack_user; + + /* Align to u64. */ + __u32 __reserved_2; }; /* @@ -568,6 +578,10 @@ enum perf_event_type { * * { u64 abi; # enum perf_sample_regs_abi * u64 regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER + * + * { u64 size; + * char data[size]; + * u64 dyn_size; } && PERF_SAMPLE_STACK_USER * }; */ PERF_RECORD_SAMPLE = 9, @@ -1160,6 +1174,7 @@ struct perf_sample_data { struct perf_raw_record *raw; struct perf_branch_stack *br_stack; struct perf_regs_user regs_user; + u64 stack_user_size; }; static inline void perf_sample_data_init(struct perf_sample_data *data, @@ -1172,6 +1187,7 @@ static inline void perf_sample_data_init(struct perf_sample_data *data, data->period = period; data->regs_user.abi = PERF_SAMPLE_REGS_ABI_NONE; data->regs_user.regs = NULL; + data->stack_user_size = 0; } extern void perf_output_sample(struct perf_output_handle *handle, |