Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1283755

[tip:perf/core] perf/x86: Remove old MSR perf tracing code

Show all headers | View raw

Commit-ID:  23147ce9aca551931f8f17bb520b370df884f918
Gitweb:     http://git.kernel.org/tip/23147ce9aca551931f8f17bb520b370df884f918
Author:     Andi Kleen <ak@linux.intel.com>
AuthorDate: Tue, 1 Dec 2015 17:01:00 -0800
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 4 Dec 2015 10:58:35 +0100

perf/x86: Remove old MSR perf tracing code

Now that we have generic MSR trace points we can remove the old
hackish perf MSR read tracing code.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: rostedt@goodmis.org
Link: http://lkml.kernel.org/r/1449018060-1742-4-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/kernel/cpu/perf_event.h | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 910928f..ce8768f 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -14,17 +14,7 @@
 
 #include <linux/perf_event.h>
 
-#if 0
-#undef wrmsrl
-#define wrmsrl(msr, val) 						\
-do {									\
-	unsigned int _msr = (msr);					\
-	u64 _val = (val);						\
-	trace_printk("wrmsrl(%x, %Lx)\n", (unsigned int)(_msr),		\
-			(unsigned long long)(_val));			\
-	native_write_msr((_msr), (u32)(_val), (u32)(_val >> 32));	\
-} while (0)
-#endif
+/* To enable MSR tracing please use the generic trace points. */
 
 /*
  *          |   NHM/WSM    |      SNB     |
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH 1/4] x86: Don't include asm/processor.h into asm/atomic.h Andi Kleen <andi@firstfloor.org> - 2015-12-02 02:10 +0100
  [PATCH 2/4] tracepoints: Move struct tracepoint to new tracepoint-defs.h header Andi Kleen <andi@firstfloor.org> - 2015-12-02 02:10 +0100
    Re: [PATCH 2/4] tracepoints: Move struct tracepoint to new  tracepoint-defs.h header Steven Rostedt <rostedt@goodmis.org> - 2015-12-02 03:00 +0100
    [tip:perf/core] tracepoints:   Move struct tracepoint to new tracepoint-defs.h header tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-04 13:10 +0100
    [tip:perf/core] tracepoints:   Move struct tracepoint to new tracepoint-defs.h header tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-06 14:20 +0100
  [PATCH 4/4] perf, x86: Remove old MSR perf tracing code Andi Kleen <andi@firstfloor.org> - 2015-12-02 02:10 +0100
    [tip:perf/core] perf/x86: Remove old MSR perf tracing code tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-04 13:10 +0100
    [tip:perf/core] perf/x86: Remove old MSR perf tracing code tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-06 14:30 +0100
  [tip:perf/core] x86/headers: Don't include asm/processor.h in asm  /atomic.h tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-04 13:00 +0100
  [tip:perf/core] x86/headers: Don't include asm/processor.h in asm  /atomic.h tip-bot for Andi Kleen <tipbot@zytor.com> - 2015-12-06 14:20 +0100

csiph-web