diff options
| author |   Kan Liang <kan.liang@linux.intel.com> | 2022-09-01 06:09:57 -0700 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2022-09-06 11:33:02 +0200 |
| commit | 2abe681da0a192ab850a5271d838a7817b469fca (patch) | |
| tree | 8d6391f254b100551c3166bf65ce424613f9fbbf /include/linux/perf_event.h | |
| parent | perf: Use sample_flags for branch stack (diff) | |
| download | linux-dev-2abe681da0a192ab850a5271d838a7817b469fca.tar.xz linux-dev-2abe681da0a192ab850a5271d838a7817b469fca.zip | |
perf: Use sample_flags for weight
Use the new sample_flags to indicate whether the weight field is filled
by the PMU driver.
Remove the weight 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/20220901130959.1285717-5-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 1e12e79454e0..06a587b5faa9 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1012,7 +1012,6 @@ struct perf_sample_data { u64 addr; struct perf_raw_record *raw; u64 period; - union perf_sample_weight weight; u64 txn; union perf_mem_data_src data_src; @@ -1021,6 +1020,7 @@ struct perf_sample_data { * perf_{prepare,output}_sample(). */ struct perf_branch_stack *br_stack; + union perf_sample_weight weight; 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->weight.full = 0; data->data_src.val = PERF_MEM_NA; data->txn = 0; } |