chiark / gitweb /
bootchart: parse /etc/os-release rather than system-release
[elogind.git] / src / bootchart / bootchart.c
index fb95c6b807351c46a7631978c929e8b7d2be97eb..7affacfdbfebb01e685d1584ec18a464a75bc627 100644 (file)
@@ -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>
 #include <getopt.h>
 #include <limits.h>
 #include <errno.h>
+#include <fcntl.h>
 
 
 #include "bootchart.h"
 #include "util.h"
+#include "fileio.h"
 
 double graph_start;
 double log_start;
@@ -50,6 +53,7 @@ double interval;
 FILE *of = NULL;
 int overrun = 0;
 static int exiting = 0;
+int sysfd=-1;
 
 /* graph defaults */
 int entropy = 0;
@@ -78,6 +82,7 @@ static void signal_handler(int sig)
 
 int main(int argc, char *argv[])
 {
+        _cleanup_free_ char *build = NULL;
         struct sigaction sig;
         struct ps_struct *ps;
         char output_file[PATH_MAX];
@@ -272,6 +277,15 @@ int main(int argc, char *argv[])
                         of = fopen(output_file, "w");
                 }
 
+                if (sysfd < 0) {
+                        sysfd = open("/sys", O_RDONLY);
+                }
+
+                if (!build) {
+                        parse_env_file("/etc/os-release", NEWLINE,
+                                       "PRETTY_NAME", &build,
+                                       NULL);
+                }
 
                 /* wait for /proc to become available, discarding samples */
                 if (!(graph_start > 0.0))
@@ -330,7 +344,6 @@ int main(int argc, char *argv[])
                 if (ps->smaps)
                         fclose(ps->smaps);
         }
-        closedir(proc);
 
         if (!of) {
                 t = time(NULL);
@@ -344,11 +357,14 @@ int main(int argc, char *argv[])
                 exit (EXIT_FAILURE);
         }
 
-        svg_do();
+        svg_do(build);
 
         fprintf(stderr, "bootchartd: Wrote %s\n", output_file);
         fclose(of);
 
+        closedir(proc);
+        close(sysfd);
+
         /* nitpic cleanups */
         ps = ps_first;
         while (ps->next_ps) {