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-rw-r--r--src/bootchart/bootchart.c14
-rw-r--r--src/bootchart/store.c2
2 files changed, 5 insertions, 11 deletions
diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c
index 052e6370c9..208c4528e7 100644
--- a/src/bootchart/bootchart.c
+++ b/src/bootchart/bootchart.c
@@ -288,7 +288,7 @@ int main(int argc, char *argv[]) {
log_uptime();
/* main program loop */
- while (!exiting) {
+ for (samples = 0; !exiting && samples < arg_samples_len; samples++) {
int res;
double sample_stop;
struct timespec req;
@@ -315,7 +315,7 @@ int main(int argc, char *argv[]) {
NULL);
/* wait for /proc to become available, discarding samples */
- if (!(graph_start > 0.0))
+ if (graph_start <= 0.0)
log_uptime();
else
log_sample(samples);
@@ -334,7 +334,7 @@ int main(int argc, char *argv[]) {
* we'll lose all the missed samples and overrun our total
* time
*/
- if ((newint_ns > 0) || (newint_s > 0)) {
+ if (newint_ns > 0 || newint_s > 0) {
req.tv_sec = newint_s;
req.tv_nsec = newint_ns;
@@ -350,14 +350,8 @@ int main(int argc, char *argv[]) {
} else {
overrun++;
/* calculate how many samples we lost and scrap them */
- arg_samples_len = arg_samples_len + ((int)(newint_ns / interval));
+ arg_samples_len -= (int)(newint_ns / interval);
}
-
- samples++;
-
- if (samples > arg_samples_len)
- break;
-
}
/* do some cleanup, close fd's */
diff --git a/src/bootchart/store.c b/src/bootchart/store.c
index 343365e612..b2652c8d93 100644
--- a/src/bootchart/store.c
+++ b/src/bootchart/store.c
@@ -114,7 +114,7 @@ static int pid_cmdline_strscpy(char *buffer, size_t buf_len, int pid) {
void log_sample(int sample) {
static int vmstat;
static int schedstat;
- char buf[4095];
+ char buf[4096];
char key[256];
char val[256];
char rt[256];