Commit-ID:  d3bcd64bbc35076a80c56918c905ddb167d097d8
Gitweb:     http://git.kernel.org/tip/d3bcd64bbc35076a80c56918c905ddb167d097d8
Author:     Huang Rui <ray.hu...@amd.com>
AuthorDate: Fri, 4 Dec 2015 18:07:41 +0800
Committer:  Ingo Molnar <mi...@kernel.org>
CommitDate: Wed, 6 Jan 2016 11:15:35 +0100

perf/x86/rapl: Use unified perf_event_sysfs_show instead of special interface

Actually, rapl_sysfs_show is a duplicate of perf_event_sysfs_show. We
prefer to use the unified interface.

Signed-off-by: Huang Rui <ray.hu...@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <pet...@infradead.org>
Cc: Andy Lutomirski <l...@amacapital.net>
Cc: Arnaldo Carvalho de Melo <a...@kernel.org>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Borislav Petkov <b...@suse.de>
Cc: Dasaratharaman Chandramouli<dasaratharaman.chandramo...@intel.com>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Robert Richter <r...@kernel.org>
Cc: Stephane Eranian <eran...@google.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Cc: Vince Weaver <vincent.wea...@maine.edu>
Link: 
http://lkml.kernel.org/r/1449223661-2437-1-git-send-email-ray.hu...@amd.com
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
 arch/x86/kernel/cpu/perf_event_intel_rapl.c | 23 +++++------------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c 
b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index fb5843d..24a351a 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -109,11 +109,11 @@ static struct kobj_attribute format_attr_##_var =         
\
 
 #define RAPL_CNTR_WIDTH 32 /* 32-bit rapl counters */
 
-#define RAPL_EVENT_ATTR_STR(_name, v, str)                             \
-static struct perf_pmu_events_attr event_attr_##v = {                  \
-       .attr           = __ATTR(_name, 0444, rapl_sysfs_show, NULL),   \
-       .id             = 0,                                            \
-       .event_str      = str,                                          \
+#define RAPL_EVENT_ATTR_STR(_name, v, str)                                     
\
+static struct perf_pmu_events_attr event_attr_##v = {                          
\
+       .attr           = __ATTR(_name, 0444, perf_event_sysfs_show, NULL),     
\
+       .id             = 0,                                                    
\
+       .event_str      = str,                                                  
\
 };
 
 struct rapl_pmu {
@@ -405,19 +405,6 @@ static struct attribute_group rapl_pmu_attr_group = {
        .attrs = rapl_pmu_attrs,
 };
 
-static ssize_t rapl_sysfs_show(struct device *dev,
-                              struct device_attribute *attr,
-                              char *page)
-{
-       struct perf_pmu_events_attr *pmu_attr = \
-               container_of(attr, struct perf_pmu_events_attr, attr);
-
-       if (pmu_attr->event_str)
-               return sprintf(page, "%s", pmu_attr->event_str);
-
-       return 0;
-}
-
 RAPL_EVENT_ATTR_STR(energy-cores, rapl_cores, "event=0x01");
 RAPL_EVENT_ATTR_STR(energy-pkg  ,   rapl_pkg, "event=0x02");
 RAPL_EVENT_ATTR_STR(energy-ram  ,   rapl_ram, "event=0x03");
--
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