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Date: Thu, 4 Nov 2010 16:36:46 +0100
From: Borislav Petkov <bp@...64.org>
To: <acme@...radead.org>, <fweisbec@...il.com>, <mingo@...e.hu>,
<peterz@...radead.org>, <rostedt@...dmis.org>
Cc: <linux-kernel@...r.kernel.org>,
Borislav Petkov <borislav.petkov@....com>
Subject: [PATCH 10/20] perf: Export util.ch into library
From: Borislav Petkov <borislav.petkov@....com>
This is needed for sharing common functionality.
Signed-off-by: Borislav Petkov <borislav.petkov@....com>
---
tools/lib/lk/Makefile | 1 +
tools/lib/lk/cpumap.c | 1 +
tools/lib/lk/util.c | 116 ++++++++++++++++++++++++++++++++++++++++
tools/lib/perf/Makefile | 1 +
tools/lib/perf/util.h | 8 +++
tools/perf/Makefile | 1 -
tools/perf/perf.h | 3 -
tools/perf/util/parse-events.h | 1 +
tools/perf/util/util.c | 116 ----------------------------------------
9 files changed, 128 insertions(+), 120 deletions(-)
create mode 100644 tools/lib/lk/util.c
create mode 100644 tools/lib/perf/util.h
delete mode 100644 tools/perf/util/util.c
diff --git a/tools/lib/lk/Makefile b/tools/lib/lk/Makefile
index ff94b2e..985214a 100644
--- a/tools/lib/lk/Makefile
+++ b/tools/lib/lk/Makefile
@@ -11,6 +11,7 @@ LIB_H += cpumap.h
LIB_OBJS += debugfs.o
LIB_OBJS += usage.o
+LIB_OBJS += util.o
LIB_OBJS += cpumap.o
LIB_OBJS += ctype.o
diff --git a/tools/lib/lk/cpumap.c b/tools/lib/lk/cpumap.c
index 7c3008a..0c6c12c 100644
--- a/tools/lib/lk/cpumap.c
+++ b/tools/lib/lk/cpumap.c
@@ -1,4 +1,5 @@
#include <lk/util.h>
+#include <perf/util.h>
#include <perf.h>
#include "cpumap.h"
#include <assert.h>
diff --git a/tools/lib/lk/util.c b/tools/lib/lk/util.c
new file mode 100644
index 0000000..4f35719
--- /dev/null
+++ b/tools/lib/lk/util.c
@@ -0,0 +1,116 @@
+#include <lk/util.h>
+#include <sys/mman.h>
+
+int mkdir_p(char *path, mode_t mode)
+{
+ struct stat st;
+ int err;
+ char *d = path;
+
+ if (*d != '/')
+ return -1;
+
+ if (stat(path, &st) == 0)
+ return 0;
+
+ while (*++d == '/');
+
+ while ((d = strchr(d, '/'))) {
+ *d = '\0';
+ err = stat(path, &st) && mkdir(path, mode);
+ *d++ = '/';
+ if (err)
+ return -1;
+ while (*d == '/')
+ ++d;
+ }
+ return (stat(path, &st) && mkdir(path, mode)) ? -1 : 0;
+}
+
+static int slow_copyfile(const char *from, const char *to)
+{
+ int err = 0;
+ char *line = NULL;
+ size_t n;
+ FILE *from_fp = fopen(from, "r"), *to_fp;
+
+ if (from_fp == NULL)
+ goto out;
+
+ to_fp = fopen(to, "w");
+ if (to_fp == NULL)
+ goto out_fclose_from;
+
+ while (getline(&line, &n, from_fp) > 0)
+ if (fputs(line, to_fp) == EOF)
+ goto out_fclose_to;
+ err = 0;
+out_fclose_to:
+ fclose(to_fp);
+ free(line);
+out_fclose_from:
+ fclose(from_fp);
+out:
+ return err;
+}
+
+int copyfile(const char *from, const char *to)
+{
+ int fromfd, tofd;
+ struct stat st;
+ void *addr;
+ int err = -1;
+
+ if (stat(from, &st))
+ goto out;
+
+ if (st.st_size == 0) /* /proc? do it slowly... */
+ return slow_copyfile(from, to);
+
+ fromfd = open(from, O_RDONLY);
+ if (fromfd < 0)
+ goto out;
+
+ tofd = creat(to, 0755);
+ if (tofd < 0)
+ goto out_close_from;
+
+ addr = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fromfd, 0);
+ if (addr == MAP_FAILED)
+ goto out_close_to;
+
+ if (write(tofd, addr, st.st_size) == st.st_size)
+ err = 0;
+
+ munmap(addr, st.st_size);
+out_close_to:
+ close(tofd);
+ if (err)
+ unlink(to);
+out_close_from:
+ close(fromfd);
+out:
+ return err;
+}
+
+unsigned long convert_unit(unsigned long value, char *unit)
+{
+ *unit = ' ';
+
+ if (value > 1000) {
+ value /= 1000;
+ *unit = 'K';
+ }
+
+ if (value > 1000) {
+ value /= 1000;
+ *unit = 'M';
+ }
+
+ if (value > 1000) {
+ value /= 1000;
+ *unit = 'G';
+ }
+
+ return value;
+}
diff --git a/tools/lib/perf/Makefile b/tools/lib/perf/Makefile
index 9942d52..5815664 100644
--- a/tools/lib/perf/Makefile
+++ b/tools/lib/perf/Makefile
@@ -5,6 +5,7 @@ LIB_H=
LIB_OBJS=
LIB_H += mmap.h
+LIB_H += util.h
LIB_OBJS += mmap.o
diff --git a/tools/lib/perf/util.h b/tools/lib/perf/util.h
new file mode 100644
index 0000000..4b774b9
--- /dev/null
+++ b/tools/lib/perf/util.h
@@ -0,0 +1,8 @@
+#ifndef __PERF_UTIL_H
+#define __PERF_UTIL_H
+
+#define MAX_COUNTERS 256
+#define MAX_NR_CPUS 256
+
+#endif /* __PERF_UTIL_H */
+
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index e8c1ada..6d06417 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -427,7 +427,6 @@ LIB_OBJS += $(OUTPUT)util/svghelper.o
LIB_OBJS += $(OUTPUT)util/sort.o
LIB_OBJS += $(OUTPUT)util/hist.o
LIB_OBJS += $(OUTPUT)util/probe-event.o
-LIB_OBJS += $(OUTPUT)util/util.o
BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 4bfd513..785a200 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -136,9 +136,6 @@ sys_perf_event_open(struct perf_event_attr *attr,
group_fd, flags);
}
-#define MAX_COUNTERS 256
-#define MAX_NR_CPUS 256
-
struct ip_callchain {
u64 nr;
u64 ips[0];
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index fc4ab3f..9492e3c 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -3,6 +3,7 @@
/*
* Parse symbolic events/counts passed in as options:
*/
+#include <perf/util.h>
struct option;
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
deleted file mode 100644
index 4f35719..0000000
--- a/tools/perf/util/util.c
+++ /dev/null
@@ -1,116 +0,0 @@
-#include <lk/util.h>
-#include <sys/mman.h>
-
-int mkdir_p(char *path, mode_t mode)
-{
- struct stat st;
- int err;
- char *d = path;
-
- if (*d != '/')
- return -1;
-
- if (stat(path, &st) == 0)
- return 0;
-
- while (*++d == '/');
-
- while ((d = strchr(d, '/'))) {
- *d = '\0';
- err = stat(path, &st) && mkdir(path, mode);
- *d++ = '/';
- if (err)
- return -1;
- while (*d == '/')
- ++d;
- }
- return (stat(path, &st) && mkdir(path, mode)) ? -1 : 0;
-}
-
-static int slow_copyfile(const char *from, const char *to)
-{
- int err = 0;
- char *line = NULL;
- size_t n;
- FILE *from_fp = fopen(from, "r"), *to_fp;
-
- if (from_fp == NULL)
- goto out;
-
- to_fp = fopen(to, "w");
- if (to_fp == NULL)
- goto out_fclose_from;
-
- while (getline(&line, &n, from_fp) > 0)
- if (fputs(line, to_fp) == EOF)
- goto out_fclose_to;
- err = 0;
-out_fclose_to:
- fclose(to_fp);
- free(line);
-out_fclose_from:
- fclose(from_fp);
-out:
- return err;
-}
-
-int copyfile(const char *from, const char *to)
-{
- int fromfd, tofd;
- struct stat st;
- void *addr;
- int err = -1;
-
- if (stat(from, &st))
- goto out;
-
- if (st.st_size == 0) /* /proc? do it slowly... */
- return slow_copyfile(from, to);
-
- fromfd = open(from, O_RDONLY);
- if (fromfd < 0)
- goto out;
-
- tofd = creat(to, 0755);
- if (tofd < 0)
- goto out_close_from;
-
- addr = mmap(NULL, st.st_size, PROT_READ, MAP_PRIVATE, fromfd, 0);
- if (addr == MAP_FAILED)
- goto out_close_to;
-
- if (write(tofd, addr, st.st_size) == st.st_size)
- err = 0;
-
- munmap(addr, st.st_size);
-out_close_to:
- close(tofd);
- if (err)
- unlink(to);
-out_close_from:
- close(fromfd);
-out:
- return err;
-}
-
-unsigned long convert_unit(unsigned long value, char *unit)
-{
- *unit = ' ';
-
- if (value > 1000) {
- value /= 1000;
- *unit = 'K';
- }
-
- if (value > 1000) {
- value /= 1000;
- *unit = 'M';
- }
-
- if (value > 1000) {
- value /= 1000;
- *unit = 'G';
- }
-
- return value;
-}
--
1.7.3.1
--
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