xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge remote-tracking branch 'tip/perf/core' into kvm-updates/3.3

Browse Source 
* tip/perf/core: (66 commits)
  perf, x86: Expose perf capability to other modules
  perf, x86: Implement arch event mask as quirk
  x86, perf: Disable non available architectural events
  jump_label: Provide jump_label_key initializers
  jump_label, x86: Fix section mismatch
  perf, core: Rate limit perf_sched_events jump_label patching
  perf: Fix enable_on_exec for sibling events
  perf: Remove superfluous arguments
  perf, x86: Prefer fixed-purpose counters when scheduling
  perf, x86: Fix event scheduler for constraints with overlapping counters
  perf, x86: Implement event scheduler helper functions
  perf: Avoid a useless pmu_disable() in the perf-tick
  x86/tools: Add decoded instruction dump mode
  x86: Update instruction decoder to support new AVX formats
  x86/tools: Fix insn_sanity message outputs
  x86/tools: Fix instruction decoder message output
  x86: Fix instruction decoder to handle grouped AVX instructions
  x86/tools: Fix Makefile to build all test tools
  perf test: Soft errors shouldn't stop the "Validate PERF_RECORD_" test
  perf test: Validate PERF_RECORD_ events and perf_sample fields
  ...

Signed-off-by: Avi Kivity <avi@redhat.com>

* commit 'b3d9468a8bd218a695e3a0ff112cd4efd27b670a': (66 commits)
  perf, x86: Expose perf capability to other modules
  perf, x86: Implement arch event mask as quirk
  x86, perf: Disable non available architectural events
  jump_label: Provide jump_label_key initializers
  jump_label, x86: Fix section mismatch
  perf, core: Rate limit perf_sched_events jump_label patching
  perf: Fix enable_on_exec for sibling events
  perf: Remove superfluous arguments
  perf, x86: Prefer fixed-purpose counters when scheduling
  perf, x86: Fix event scheduler for constraints with overlapping counters
  perf, x86: Implement event scheduler helper functions
  perf: Avoid a useless pmu_disable() in the perf-tick
  x86/tools: Add decoded instruction dump mode
  x86: Update instruction decoder to support new AVX formats
  x86/tools: Fix insn_sanity message outputs
  x86/tools: Fix instruction decoder message output
  x86: Fix instruction decoder to handle grouped AVX instructions
  x86/tools: Fix Makefile to build all test tools
  perf test: Soft errors shouldn't stop the "Validate PERF_RECORD_" test
  perf test: Validate PERF_RECORD_ events and perf_sample fields
  ...
This commit is contained in:
Avi Kivity
2011-12-25 15:44:43 +02:00
parent ff5c2c0316 b3d9468a8b
commit 9e31905f29
98 changed files with 4203 additions and 2396 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
kernel/jump_label.c
View File

@@ -73,16 +73,47 @@ void jump_label_inc(struct jump_label_key *key)
}
EXPORT_SYMBOL_GPL(jump_label_inc);
void jump_label_dec(struct jump_label_key *key)
static void __jump_label_dec(struct jump_label_key *key,
unsigned long rate_limit, struct delayed_work *work)
{
if (!atomic_dec_and_mutex_lock(&key->enabled, &jump_label_mutex))
return;
jump_label_update(key, JUMP_LABEL_DISABLE);
if (rate_limit) {
atomic_inc(&key->enabled);
schedule_delayed_work(work, rate_limit);
} else
jump_label_update(key, JUMP_LABEL_DISABLE);
jump_label_unlock();
}
EXPORT_SYMBOL_GPL(jump_label_dec);
static void jump_label_update_timeout(struct work_struct *work)
{
struct jump_label_key_deferred *key =
container_of(work, struct jump_label_key_deferred, work.work);
__jump_label_dec(&key->key, 0, NULL);
}
void jump_label_dec(struct jump_label_key *key)
{
__jump_label_dec(key, 0, NULL);
}
void jump_label_dec_deferred(struct jump_label_key_deferred *key)
{
__jump_label_dec(&key->key, key->timeout, &key->work);
}
void jump_label_rate_limit(struct jump_label_key_deferred *key,
unsigned long rl)
{
key->timeout = rl;
INIT_DELAYED_WORK(&key->work, jump_label_update_timeout);
}
static int addr_conflict(struct jump_entry *entry, void *start, void *end)
{
if (entry->code <= (unsigned long)end &&
@@ -113,7 +144,7 @@ static int __jump_label_text_reserved(struct jump_entry *iter_start,
* running code can override this to make the non-live update case
* cheaper.
*/
void __weak arch_jump_label_transform_static(struct jump_entry *entry,
void __weak __init_or_module arch_jump_label_transform_static(struct jump_entry *entry,
enum jump_label_type type)
{
arch_jump_label_transform(entry, type);
@@ -219,8 +250,13 @@ void jump_label_apply_nops(struct module *mod)
if (iter_start == iter_stop)
return;
for (iter = iter_start; iter < iter_stop; iter++)
arch_jump_label_transform_static(iter, JUMP_LABEL_DISABLE);
for (iter = iter_start; iter < iter_stop; iter++) {
struct jump_label_key *iterk;
iterk = (struct jump_label_key *)(unsigned long)iter->key;
arch_jump_label_transform_static(iter, jump_label_enabled(iterk) ?
JUMP_LABEL_ENABLE : JUMP_LABEL_DISABLE);
}
}
static int jump_label_add_module(struct module *mod)
@@ -260,8 +296,7 @@ static int jump_label_add_module(struct module *mod)
key->next = jlm;
if (jump_label_enabled(key))
__jump_label_update(key, iter, iter_stop,
JUMP_LABEL_ENABLE);
__jump_label_update(key, iter, iter_stop, JUMP_LABEL_ENABLE);
}
return 0;