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-rw-r--r--tools/perf/util/util.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index 9f66549562bd..e52e7461911b 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -1,5 +1,6 @@
#include "../perf.h"
#include "util.h"
+#include "debug.h"
#include <api/fs/fs.h>
#include <sys/mman.h>
#ifdef HAVE_BACKTRACE_SUPPORT
@@ -17,6 +18,7 @@
* XXX We need to find a better place for these things...
*/
unsigned int page_size;
+int cacheline_size;
bool test_attr__enabled;
@@ -166,6 +168,8 @@ static ssize_t ion(bool is_read, int fd, void *buf, size_t n)
ssize_t ret = is_read ? read(fd, buf, left) :
write(fd, buf, left);
+ if (ret < 0 && errno == EINTR)
+ continue;
if (ret <= 0)
return ret;
@@ -330,12 +334,9 @@ const char *find_tracing_dir(void)
if (!debugfs)
return NULL;
- tracing = malloc(strlen(debugfs) + 9);
- if (!tracing)
+ if (asprintf(&tracing, "%s/tracing", debugfs) < 0)
return NULL;
- sprintf(tracing, "%s/tracing", debugfs);
-
tracing_found = 1;
return tracing;
}
@@ -349,11 +350,9 @@ char *get_tracing_file(const char *name)
if (!tracing)
return NULL;
- file = malloc(strlen(tracing) + strlen(name) + 2);
- if (!file)
+ if (asprintf(&file, "%s/%s", tracing, name) < 0)
return NULL;
- sprintf(file, "%s/%s", tracing, name);
return file;
}
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