diff options
author | Ingo Molnar <mingo@kernel.org> | 2012-12-08 15:54:35 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2012-12-08 15:54:35 +0100 |
commit | cc1b39dbf9f55a438e8a21a694394c20e6a17129 (patch) | |
tree | cf48e5c871250c2bfd1d0590acd2f0569e95b950 /include | |
parent | 7e0dd574cd6b1bcc818ed4251e5ceda7d8bee08f (diff) | |
parent | 1c7d66732458dc187008e3f5b2f71e019e320fc2 (diff) | |
download | op-kernel-dev-cc1b39dbf9f55a438e8a21a694394c20e6a17129.zip op-kernel-dev-cc1b39dbf9f55a438e8a21a694394c20e6a17129.tar.gz |
Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/core
Pull ftrace updates from Steve Rostedt.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-generic/trace_clock.h | 16 | ||||
-rw-r--r-- | include/linux/ftrace_event.h | 6 | ||||
-rw-r--r-- | include/linux/trace_clock.h | 2 | ||||
-rw-r--r-- | include/trace/ftrace.h | 73 |
4 files changed, 24 insertions, 73 deletions
diff --git a/include/asm-generic/trace_clock.h b/include/asm-generic/trace_clock.h new file mode 100644 index 0000000..6726f1b --- /dev/null +++ b/include/asm-generic/trace_clock.h @@ -0,0 +1,16 @@ +#ifndef _ASM_GENERIC_TRACE_CLOCK_H +#define _ASM_GENERIC_TRACE_CLOCK_H +/* + * Arch-specific trace clocks. + */ + +/* + * Additional trace clocks added to the trace_clocks + * array in kernel/trace/trace.c + * None if the architecture has not defined it. + */ +#ifndef ARCH_TRACE_CLOCKS +# define ARCH_TRACE_CLOCKS +#endif + +#endif /* _ASM_GENERIC_TRACE_CLOCK_H */ diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index b80c8dd..a3d4895 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -86,6 +86,12 @@ struct trace_iterator { cpumask_var_t started; }; +enum trace_iter_flags { + TRACE_FILE_LAT_FMT = 1, + TRACE_FILE_ANNOTATE = 2, + TRACE_FILE_TIME_IN_NS = 4, +}; + struct trace_event; diff --git a/include/linux/trace_clock.h b/include/linux/trace_clock.h index 4eb4902..d563f37 100644 --- a/include/linux/trace_clock.h +++ b/include/linux/trace_clock.h @@ -12,6 +12,8 @@ #include <linux/compiler.h> #include <linux/types.h> +#include <asm/trace_clock.h> + extern u64 notrace trace_clock_local(void); extern u64 notrace trace_clock(void); extern u64 notrace trace_clock_global(void); diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index 698f2a8..40dc5e8 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -619,79 +619,6 @@ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call #include TRACE_INCLUDE(TRACE_INCLUDE_FILE) -/* - * Define the insertion callback to perf events - * - * The job is very similar to ftrace_raw_event_<call> except that we don't - * insert in the ring buffer but in a perf counter. - * - * static void ftrace_perf_<call>(proto) - * { - * struct ftrace_data_offsets_<call> __maybe_unused __data_offsets; - * struct ftrace_event_call *event_call = &event_<call>; - * extern void perf_tp_event(int, u64, u64, void *, int); - * struct ftrace_raw_##call *entry; - * struct perf_trace_buf *trace_buf; - * u64 __addr = 0, __count = 1; - * unsigned long irq_flags; - * struct trace_entry *ent; - * int __entry_size; - * int __data_size; - * int __cpu - * int pc; - * - * pc = preempt_count(); - * - * __data_size = ftrace_get_offsets_<call>(&__data_offsets, args); - * - * // Below we want to get the aligned size by taking into account - * // the u32 field that will later store the buffer size - * __entry_size = ALIGN(__data_size + sizeof(*entry) + sizeof(u32), - * sizeof(u64)); - * __entry_size -= sizeof(u32); - * - * // Protect the non nmi buffer - * // This also protects the rcu read side - * local_irq_save(irq_flags); - * __cpu = smp_processor_id(); - * - * if (in_nmi()) - * trace_buf = rcu_dereference_sched(perf_trace_buf_nmi); - * else - * trace_buf = rcu_dereference_sched(perf_trace_buf); - * - * if (!trace_buf) - * goto end; - * - * trace_buf = per_cpu_ptr(trace_buf, __cpu); - * - * // Avoid recursion from perf that could mess up the buffer - * if (trace_buf->recursion++) - * goto end_recursion; - * - * raw_data = trace_buf->buf; - * - * // Make recursion update visible before entering perf_tp_event - * // so that we protect from perf recursions. - * - * barrier(); - * - * //zero dead bytes from alignment to avoid stack leak to userspace: - * *(u64 *)(&raw_data[__entry_size - sizeof(u64)]) = 0ULL; - * entry = (struct ftrace_raw_<call> *)raw_data; - * ent = &entry->ent; - * tracing_generic_entry_update(ent, irq_flags, pc); - * ent->type = event_call->id; - * - * <tstruct> <- do some jobs with dynamic arrays - * - * <assign> <- affect our values - * - * perf_tp_event(event_call->id, __addr, __count, entry, - * __entry_size); <- submit them to perf counter - * - * } - */ #ifdef CONFIG_PERF_EVENTS |