diff options
Diffstat (limited to 'src/bootchart/bootchart.c')
| -rw-r--r-- | src/bootchart/bootchart.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/bootchart/bootchart.c b/src/bootchart/bootchart.c index adfaba57b0..e34c08a5eb 100644 --- a/src/bootchart/bootchart.c +++ b/src/bootchart/bootchart.c @@ -23,6 +23,7 @@ #include <sys/time.h> #include <sys/types.h> #include <sys/resource.h> +#include <sys/stat.h> #include <stdio.h> #include <signal.h> #include <stdlib.h> @@ -32,6 +33,7 @@ #include <getopt.h> #include <limits.h> #include <errno.h> +#include <fcntl.h> #include "bootchart.h" @@ -51,6 +53,7 @@ double interval; FILE *of = NULL; int overrun = 0; static int exiting = 0; +int sysfd=-1; /* graph defaults */ int entropy = 0; @@ -273,6 +276,9 @@ int main(int argc, char *argv[]) of = fopen(output_file, "w"); } + if (sysfd < 0) { + sysfd = open("/sys", O_RDONLY); + } /* wait for /proc to become available, discarding samples */ if (!(graph_start > 0.0)) @@ -331,7 +337,6 @@ int main(int argc, char *argv[]) if (ps->smaps) fclose(ps->smaps); } - closedir(proc); if (!of) { t = time(NULL); @@ -350,6 +355,9 @@ int main(int argc, char *argv[]) fprintf(stderr, "bootchartd: Wrote %s\n", output_file); fclose(of); + closedir(proc); + close(sysfd); + /* nitpic cleanups */ ps = ps_first; while (ps->next_ps) { |