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| author | Kan Liang <kan.liang@linux.intel.com> | 2020-03-17 21:38:32 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-03-20 15:06:23 +0300 |
| commit | bc88a2fe216a51e8ab46d61f89d0c1b5a400470e (patch) | |
| tree | 2fffe825b7838a6b4721faa8eb6fea3b516fb41d /arch/x86/events | |
| parent | a6763625ae6f8aa5ee82fcd8fa4e5e38db20dbc6 (diff) | |
| download | linux-bc88a2fe216a51e8ab46d61f89d0c1b5a400470e.tar.xz | |
perf/x86/intel/uncore: Add box_offsets for free-running counters
The offset between uncore boxes of free-running counters varies, e.g.
IIO free-running counters on Ice Lake server.
Add box_offsets, an array of offsets between adjacent uncore boxes.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/1584470314-46657-1-git-send-email-kan.liang@linux.intel.com
Diffstat (limited to 'arch/x86/events')
| -rw-r--r-- | arch/x86/events/intel/uncore.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h index 1204dcc9fe9b..b30429f8a53a 100644 --- a/arch/x86/events/intel/uncore.h +++ b/arch/x86/events/intel/uncore.h @@ -154,6 +154,7 @@ struct freerunning_counters { unsigned int box_offset; unsigned int num_counters; unsigned int bits; + unsigned *box_offsets; }; struct pci2phy_map { @@ -310,7 +311,9 @@ unsigned int uncore_freerunning_counter(struct intel_uncore_box *box, return pmu->type->freerunning[type].counter_base + pmu->type->freerunning[type].counter_offset * idx + - pmu->type->freerunning[type].box_offset * pmu->pmu_idx; + (pmu->type->freerunning[type].box_offsets ? + pmu->type->freerunning[type].box_offsets[pmu->pmu_idx] : + pmu->type->freerunning[type].box_offset * pmu->pmu_idx); } static inline |