From b7e2ecef92d2e7785e6d76b41e5ba8bcbc45259d Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 19 May 2010 10:52:27 +0200 Subject: perf, trace: Optimize tracepoints by removing IRQ-disable from perf/tracepoint interaction Improves performance. Acked-by: Frederic Weisbecker Signed-off-by: Peter Zijlstra Cc: Arnaldo Carvalho de Melo Cc: Frederic Weisbecker Cc: Paul Mackerras Cc: Mike Galbraith Cc: Steven Rostedt LKML-Reference: <1274259525.5605.10352.camel@twins> Signed-off-by: Ingo Molnar --- include/linux/ftrace_event.h | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) (limited to 'include/linux/ftrace_event.h') diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h index a9775dd7f7fe..126071bc90ab 100644 --- a/include/linux/ftrace_event.h +++ b/include/linux/ftrace_event.h @@ -197,20 +197,17 @@ extern void perf_trace_disable(int event_id); extern int ftrace_profile_set_filter(struct perf_event *event, int event_id, char *filter_str); extern void ftrace_profile_free_filter(struct perf_event *event); -extern void * -perf_trace_buf_prepare(int size, unsigned short type, int *rctxp, - unsigned long *irq_flags); +extern void *perf_trace_buf_prepare(int size, unsigned short type, + struct pt_regs *regs, int *rctxp); static inline void perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr, - u64 count, unsigned long irq_flags, struct pt_regs *regs, - void *event) + u64 count, struct pt_regs *regs, void *event) { struct trace_entry *entry = raw_data; perf_tp_event(entry->type, addr, count, raw_data, size, regs, event); perf_swevent_put_recursion_context(rctx); - local_irq_restore(irq_flags); } #endif -- cgit