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Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits)
  tracing/kprobes: unregister_trace_probe needs to be called under mutex
  perf: expose event__process function
  perf events: Fix mmap offset determination
  perf, powerpc: fsl_emb: Restore setting perf_sample_data.period
  perf, powerpc: Convert the FSL driver to use local64_t
  perf tools: Don't keep unreferenced maps when unmaps are detected
  perf session: Invalidate last_match when removing threads from rb_tree
  perf session: Free the ref_reloc_sym memory at the right place
  x86,mmiotrace: Add support for tracing STOS instruction
  perf, sched migration: Librarize task states and event headers helpers
  perf, sched migration: Librarize the GUI class
  perf, sched migration: Make the GUI class client agnostic
  perf, sched migration: Make it vertically scrollable
  perf, sched migration: Parameterize cpu height and spacing
  perf, sched migration: Fix key bindings
  perf, sched migration: Ignore unhandled task states
  perf, sched migration: Handle ignored migrate out events
  perf: New migration tool overview
  tracing: Drop cpparg() macro
  perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call
  ...

Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
This commit is contained in:
Linus Torvalds 2010-08-06 09:30:52 -07:00
commit 4aed2fd8e3
179 changed files with 5610 additions and 4808 deletions
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1
arch/sparc/include/asm/local64.h Normal file
View file

@ -0,0 +1 @@
#include <asm-generic/local64.h>

8
arch/sparc/include/asm/perf_event.h
View file

@ -6,7 +6,15 @@ extern void set_perf_event_pending(void);
#define PERF_EVENT_INDEX_OFFSET 0
#ifdef CONFIG_PERF_EVENTS
#include <asm/ptrace.h>
extern void init_hw_perf_events(void);
extern void
__perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip);
#define perf_arch_fetch_caller_regs(pt_regs, ip) \
__perf_arch_fetch_caller_regs(pt_regs, ip, 1);
#else
static inline void init_hw_perf_events(void) { }
#endif

6
arch/sparc/kernel/helpers.S
View file

@ -47,9 +47,9 @@ stack_trace_flush:
.size stack_trace_flush,.-stack_trace_flush
#ifdef CONFIG_PERF_EVENTS
.globl perf_arch_fetch_caller_regs
.type perf_arch_fetch_caller_regs,#function
perf_arch_fetch_caller_regs:
.globl __perf_arch_fetch_caller_regs
.type __perf_arch_fetch_caller_regs,#function
__perf_arch_fetch_caller_regs:
/* We always read the %pstate into %o5 since we will use
* that to construct a fake %tstate to store into the regs.
*/

25
arch/sparc/kernel/perf_event.c
View file

@ -572,18 +572,18 @@ static u64 sparc_perf_event_update(struct perf_event *event,
s64 delta;
again:
prev_raw_count = atomic64_read(&hwc->prev_count);
prev_raw_count = local64_read(&hwc->prev_count);
new_raw_count = read_pmc(idx);
if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count,
if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
new_raw_count) != prev_raw_count)
goto again;
delta = (new_raw_count << shift) - (prev_raw_count << shift);
delta >>= shift;
atomic64_add(delta, &event->count);
atomic64_sub(delta, &hwc->period_left);
local64_add(delta, &event->count);
local64_sub(delta, &hwc->period_left);
return new_raw_count;
}
@ -591,27 +591,27 @@ again:
static int sparc_perf_event_set_period(struct perf_event *event,
struct hw_perf_event *hwc, int idx)
{
s64 left = atomic64_read(&hwc->period_left);
s64 left = local64_read(&hwc->period_left);
s64 period = hwc->sample_period;
int ret = 0;
if (unlikely(left <= -period)) {
left = period;
atomic64_set(&hwc->period_left, left);
local64_set(&hwc->period_left, left);
hwc->last_period = period;
ret = 1;
}
if (unlikely(left <= 0)) {
left += period;
atomic64_set(&hwc->period_left, left);
local64_set(&hwc->period_left, left);
hwc->last_period = period;
ret = 1;
}
if (left > MAX_PERIOD)
left = MAX_PERIOD;
atomic64_set(&hwc->prev_count, (u64)-left);
local64_set(&hwc->prev_count, (u64)-left);
write_pmc(idx, (u64)(-left) & 0xffffffff);
@ -1006,7 +1006,7 @@ static int sparc_pmu_enable(struct perf_event *event)
* skip the schedulability test here, it will be peformed
* at commit time(->commit_txn) as a whole
*/
if (cpuc->group_flag & PERF_EVENT_TXN_STARTED)
if (cpuc->group_flag & PERF_EVENT_TXN)
goto nocheck;
if (check_excludes(cpuc->event, n0, 1))
@ -1088,7 +1088,7 @@ static int __hw_perf_event_init(struct perf_event *event)
if (!hwc->sample_period) {
hwc->sample_period = MAX_PERIOD;
hwc->last_period = hwc->sample_period;
atomic64_set(&hwc->period_left, hwc->sample_period);
local64_set(&hwc->period_left, hwc->sample_period);
}
return 0;
@ -1103,7 +1103,7 @@ static void sparc_pmu_start_txn(const struct pmu *pmu)
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
cpuhw->group_flag |= PERF_EVENT_TXN_STARTED;
cpuhw->group_flag |= PERF_EVENT_TXN;
}
/*
@ -1115,7 +1115,7 @@ static void sparc_pmu_cancel_txn(const struct pmu *pmu)
{
struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
cpuhw->group_flag &= ~PERF_EVENT_TXN_STARTED;
cpuhw->group_flag &= ~PERF_EVENT_TXN;
}
/*
@ -1138,6 +1138,7 @@ static int sparc_pmu_commit_txn(const struct pmu *pmu)
if (sparc_check_constraints(cpuc->event, cpuc->events, n))
return -EAGAIN;
cpuc->group_flag &= ~PERF_EVENT_TXN;
return 0;
}