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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 19:05:40 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-23 19:05:40 +0200 |
commit | 92fb83afd6664a6f8a05f990d264c998f9b99f69 (patch) | |
tree | b5c65f2a14d1019d8e00d94dafbc65696906455c /drivers/oprofile/buffer_sync.c | |
parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus (diff) | |
parent | Merge branch 'oprofile/x86-oprofile-for-tip' into oprofile/for-linus (diff) | |
download | linux-92fb83afd6664a6f8a05f990d264c998f9b99f69.tar.xz linux-92fb83afd6664a6f8a05f990d264c998f9b99f69.zip |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rric/oprofile: (21 commits)
OProfile: Fix buffer synchronization for IBS
oprofile: hotplug cpu fix
oprofile: fixing whitespaces in arch/x86/oprofile/*
oprofile: fixing whitespaces in arch/x86/oprofile/*
oprofile: fixing whitespaces in drivers/oprofile/*
x86/oprofile: add the logic for enabling additional IBS bits
x86/oprofile: reordering functions in nmi_int.c
x86/oprofile: removing unused function parameter in add_ibs_begin()
oprofile: more whitespace fixes
oprofile: whitespace fixes
OProfile: Rename IBS sysfs dir into "ibs_op"
OProfile: Rework string handling in setup_ibs_files()
OProfile: Rework oprofile_add_ibs_sample() function
oprofile: discover counters for op ppro too
oprofile: Implement Intel architectural perfmon support
oprofile: Don't report Nehalem as core_2
oprofile: drop const in num counters field
Revert "Oprofile Multiplexing Patch"
x86, oprofile: BUG: using smp_processor_id() in preemptible code
x86/oprofile: fix on_each_cpu build error
...
Manually fixed trivial conflicts in
drivers/oprofile/{cpu_buffer.c,event_buffer.h}
Diffstat (limited to 'drivers/oprofile/buffer_sync.c')
-rw-r--r-- | drivers/oprofile/buffer_sync.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c index 37681700b61a..b55cd23ffdef 100644 --- a/drivers/oprofile/buffer_sync.c +++ b/drivers/oprofile/buffer_sync.c @@ -41,7 +41,6 @@ static cpumask_t marked_cpus = CPU_MASK_NONE; static DEFINE_SPINLOCK(task_mortuary); static void process_task_mortuary(void); - /* Take ownership of the task struct and place it on the * list for processing. Only after two full buffer syncs * does the task eventually get freed, because by then @@ -341,7 +340,7 @@ static void add_trace_begin(void) * Add IBS fetch and op entries to event buffer */ static void add_ibs_begin(struct oprofile_cpu_buffer *cpu_buf, int code, - int in_kernel, struct mm_struct *mm) + struct mm_struct *mm) { unsigned long rip; int i, count; @@ -565,9 +564,11 @@ void sync_buffer(int cpu) struct task_struct *new; unsigned long cookie = 0; int in_kernel = 1; - unsigned int i; sync_buffer_state state = sb_buffer_start; +#ifndef CONFIG_OPROFILE_IBS + unsigned int i; unsigned long available; +#endif mutex_lock(&buffer_mutex); @@ -575,9 +576,13 @@ void sync_buffer(int cpu) /* Remember, only we can modify tail_pos */ +#ifndef CONFIG_OPROFILE_IBS available = get_slots(cpu_buf); for (i = 0; i < available; ++i) { +#else + while (get_slots(cpu_buf)) { +#endif struct op_sample *s = &cpu_buf->buffer[cpu_buf->tail_pos]; if (is_code(s->eip)) { @@ -593,12 +598,10 @@ void sync_buffer(int cpu) #ifdef CONFIG_OPROFILE_IBS } else if (s->event == IBS_FETCH_BEGIN) { state = sb_bt_start; - add_ibs_begin(cpu_buf, - IBS_FETCH_CODE, in_kernel, mm); + add_ibs_begin(cpu_buf, IBS_FETCH_CODE, mm); } else if (s->event == IBS_OP_BEGIN) { state = sb_bt_start; - add_ibs_begin(cpu_buf, - IBS_OP_CODE, in_kernel, mm); + add_ibs_begin(cpu_buf, IBS_OP_CODE, mm); #endif } else { struct mm_struct *oldmm = mm; |