在CentOS5下编译32内核的perf

  很多的公司，包括我们公司，还在使用CentOS5。但内核早已换成el6系列的2.6.32内核。perf工具是内核自带的一个性能评估工具，功能很强大，为了在CentOS5下进行性能优化，我们要在CentOS5下对2.6.32内核的perf源码进行编译。我这里使用了linux-2.6.32-358.el6的内核源码。 

  进入源码目录，打上以下补丁： 

1、004-150-perf-tools-Fix-build-with-bison-2.3-and-older..patch

--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -276,13 +276,13 @@ $(OUTPUT)util/parse-events-flex.c: util/
 	$(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/parse-events-flex.h $(PARSER_DEBUG_FLEX) -t util/parse-events.l > $(OUTPUT)util/parse-events-flex.c
 
 $(OUTPUT)util/parse-events-bison.c: util/parse-events.y
-	$(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c
+	$(QUIET_BISON)$(BISON) -v util/parse-events.y -d $(PARSER_DEBUG_BISON) -o $(OUTPUT)util/parse-events-bison.c -p parse_events_
 
 $(OUTPUT)util/pmu-flex.c: util/pmu.l $(OUTPUT)util/pmu-bison.c
 	$(QUIET_FLEX)$(FLEX) --header-file=$(OUTPUT)util/pmu-flex.h -t util/pmu.l > $(OUTPUT)util/pmu-flex.c
 
 $(OUTPUT)util/pmu-bison.c: util/pmu.y
-	$(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c
+	$(QUIET_BISON)$(BISON) -v util/pmu.y -d -o $(OUTPUT)util/pmu-bison.c -p perf_pmu_
 
 $(OUTPUT)util/parse-events.o: $(OUTPUT)util/parse-events-flex.c $(OUTPUT)util/parse-events-bison.c
 $(OUTPUT)util/pmu.o: $(OUTPUT)util/pmu-flex.c $(OUTPUT)util/pmu-bison.c
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -1,5 +1,4 @@
 %pure-parser
-%name-prefix "parse_events_"
 %parse-param {void *_data}
 %parse-param {void *scanner}
 %lex-param {void* scanner}
--- a/tools/perf/util/pmu.y
+++ b/tools/perf/util/pmu.y
@@ -1,4 @@
 
-%name-prefix "perf_pmu_"
 %parse-param {struct list_head *format}
 %parse-param {char *name}

2、10-13-perf-tools-replace-mkostemp-with-mkstemp.patch

diff --git a/tools/perf/util/dso-test-data.c b/tools/perf/util/dso-test-data.c
index 541cdc7..c6caede 100644
--- a/tools/perf/util/dso-test-data.c
+++ b/tools/perf/util/dso-test-data.c
@@ -23,7 +23,7 @@ static char *test_file(int size)
 	int fd,i;
 	unsigned char *buf;
 
-	fd = mkostemp(templ,O_CREAT|O_WRONLY|O_TRUNC);
+	fd = mkstemp(templ);
 
 	buf = malloc(size);
 	if (!buf) {

3、tip-perf-core-perf-test-fix-a-build-error-on-builtin-test.patch

diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index b5a544d..5d4354e 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -605,19 +605,13 @@ out_free_threads:
 #undef nsyscalls
 }
 
-static int sched__get_first_possible_cpu(pid_t pid,cpu_set_t **maskp,-					 size_t *sizep)
+static int sched__get_first_possible_cpu(pid_t pid,cpu_set_t *maskp)
 {
-	cpu_set_t *mask;
-	size_t size;
 	int i,cpu = -1,nrcpus = 1024;
 realloc:
-	mask = cpu_ALLOC(nrcpus);
-	size = cpu_ALLOC_SIZE(nrcpus);
-	cpu_ZERO_S(size,mask);
+	cpu_ZERO(maskp);
 
-	if (sched_getaffinity(pid,size,mask) == -1) {
-		cpu_FREE(mask);
+	if (sched_getaffinity(pid,sizeof(*maskp),maskp) == -1) {
 		if (errno == EINVAL && nrcpus < (1024 << 8)) {
 			nrcpus = nrcpus << 2;
 			goto realloc;
@@ -627,19 +621,14 @@ realloc:
 	}
 
 	for (i = 0; i < nrcpus; i++) {
-		if (cpu_ISSET_S(i,mask)) {
-			if (cpu == -1) {
+		if (cpu_ISSET(i,maskp)) {
+			if (cpu == -1)
 				cpu = i;
-				*maskp = mask;
-				*sizep = size;
-			} else
-				cpu_CLR_S(i,mask);
+			else
+				cpu_CLR(i,maskp);
 		}
 	}
 
-	if (cpu == -1)
-		cpu_FREE(mask);
-
 	return cpu;
 }
 
@@ -654,8 +643,8 @@ static int test__PERF_RECORD(void)
 		.freq	    = 10,.mmap_pages = 256,};
-	cpu_set_t *cpu_mask = NULL;
-	size_t cpu_mask_size = 0;
+	cpu_set_t cpu_mask;
+	size_t cpu_mask_size = sizeof(cpu_mask);
 	struct perf_evlist *evlist = perf_evlist__new(NULL,NULL);
 	struct perf_evsel *evsel;
 	struct perf_sample sample;
@@ -719,8 +708,7 @@ static int test__PERF_RECORD(void)
 	evsel->attr.sample_type |= PERF_SAMPLE_TIME;
 	perf_evlist__config_attrs(evlist,&opts);
 
-	err = sched__get_first_possible_cpu(evlist->workload.pid,&cpu_mask,-					    &cpu_mask_size);
+	err = sched__get_first_possible_cpu(evlist->workload.pid,&cpu_mask);
 	if (err < 0) {
 		pr_debug("sched__get_first_possible_cpu: %s\n",strerror(errno));
 		goto out_delete_evlist;
@@ -731,9 +719,9 @@ static int test__PERF_RECORD(void)
 	/*
 	 * So that we can check perf_sample.cpu on all the samples.
 	 */
-	if (sched_setaffinity(evlist->workload.pid,cpu_mask_size,cpu_mask) < 0) {
+	if (sched_setaffinity(evlist->workload.pid,&cpu_mask) < 0) {
 		pr_debug("sched_setaffinity: %s\n",strerror(errno));
-		goto out_free_cpu_mask;
+		goto out_delete_evlist;
 	}
 
 	/*
@@ -917,8 +905,6 @@ found_exit:
 	}
 out_err:
 	perf_evlist__munmap(evlist);
-out_free_cpu_mask:
-	cpu_FREE(cpu_mask);
 out_delete_evlist:
 	perf_evlist__delete(evlist);
 out:

  然后再安装 

binutils220-2.20.51.0.2-5.29.el5.x86_64.rpm

flex-2.5.35-0.8.el5.rfb.x86_64.rpm

libgomp-4.4.7-1.el5.x86_64.rpm

这几个包。

进入tools/perf，make一下就可以了。

这几个包和patch，以及我编译出来的用于CentOS5下的32内核的perf静态文件在这可以下载：

http://download.csdn.net/detail/abigwc/9799082

在CentOS5下编译32内核的perf

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