projects
/
platform
/
kernel
/
linux-starfive.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
a676362
)
perf/x86/intel/uncore: Add box_offsets for free-running counters
author
Kan Liang
<kan.liang@linux.intel.com>
Tue, 17 Mar 2020 18:38:32 +0000
(11:38 -0700)
committer
Peter Zijlstra
<peterz@infradead.org>
Fri, 20 Mar 2020 12:06:23 +0000
(13:06 +0100)
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
arch/x86/events/intel/uncore.h
patch
|
blob
|
history
diff --git
a/arch/x86/events/intel/uncore.h
b/arch/x86/events/intel/uncore.h
index
1204dcc
..
b30429f
100644
(file)
--- 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