diff options
| author | Kan Liang <kan.liang@linux.intel.com> | 2022-09-01 16:09:58 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-09-06 12:33:03 +0300 |
| commit | e16fd7f2cb1a65555cfe76f983eaefb1eab7471f (patch) | |
| tree | 15d1e498f5e4450ce74992febd66913fd258052c /include/linux/perf_event.h | |
| parent | 2abe681da0a192ab850a5271d838a7817b469fca (diff) | |
| download | linux-e16fd7f2cb1a65555cfe76f983eaefb1eab7471f.tar.xz | |
perf: Use sample_flags for data_src
Use the new sample_flags to indicate whether the data_src field is
filled by the PMU driver.
Remove the data_src field from the perf_sample_data_init() to minimize
the number of cache lines touched.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220901130959.1285717-6-kan.liang@linux.intel.com
Diffstat (limited to 'include/linux/perf_event.h')
| -rw-r--r-- | include/linux/perf_event.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 06a587b5faa9..6849f10dfc7e 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1013,7 +1013,6 @@ struct perf_sample_data { struct perf_raw_record *raw; u64 period; u64 txn; - union perf_mem_data_src data_src; /* * The other fields, optionally {set,used} by @@ -1021,6 +1020,7 @@ struct perf_sample_data { */ struct perf_branch_stack *br_stack; union perf_sample_weight weight; + union perf_mem_data_src data_src; u64 type; u64 ip; @@ -1063,7 +1063,6 @@ static inline void perf_sample_data_init(struct perf_sample_data *data, data->addr = addr; data->raw = NULL; data->period = period; - data->data_src.val = PERF_MEM_NA; data->txn = 0; } |