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| author |   Kan Liang <kan.liang@linux.intel.com> | 2022-09-01 06:09:59 -0700 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2022-09-06 11:33:03 +0200 |
| commit | ee9db0e14b0575aa827579dc2471a29ec5fc6877 (patch) | |
| tree | 6cba0ca6f1813ad4fe26b2699220c5bb6bc196a0 /include/linux/perf_event.h | |
| parent | perf: Use sample_flags for data_src (diff) | |
| download | linux-dev-ee9db0e14b0575aa827579dc2471a29ec5fc6877.tar.xz linux-dev-ee9db0e14b0575aa827579dc2471a29ec5fc6877.zip | |
perf: Use sample_flags for txn
Use the new sample_flags to indicate whether the txn field is filled by
the PMU driver.
Remove the txn 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/20220901130959.1285717-7-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 6849f10dfc7e..581880ddb9ef 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; - u64 txn; /* * 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 txn; 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->txn = 0; } /* |