made guest readings optional in /proc/stat #104

diff --git a/src/proc_stat.c b/src/proc_stat.c
index 3d090ed714a79ff1c980ccbc78a31369ab92da19..47f994b52df7c976c81ad5e20601baa0f9ee5046 100755 (executable)
--- a/src/proc_stat.c
+++ b/src/proc_stat.c
@@ -47,8 +47,8 @@ int do_proc_stat(int update_every, unsigned long long dt) {
        for(l = 0; l < lines ;l++) {
                if(strncmp(procfile_lineword(ff, l, 0), "cpu", 3) == 0) {
                        words = procfile_linewords(ff, l);
-                       if(words < 10) {
-                               error("Cannot read /proc/stat cpu line. Expected 10 params, read %d.", words);
+                       if(words < 9) {
+                               error("Cannot read /proc/stat cpu line. Expected 9 params, read %d.", words);
                                continue;
                        }
 
@@ -64,7 +64,7 @@ int do_proc_stat(int update_every, unsigned long long dt) {
                        irq                     = strtoull(procfile_lineword(ff, l, 6), NULL, 10);
                        softirq         = strtoull(procfile_lineword(ff, l, 7), NULL, 10);
                        steal           = strtoull(procfile_lineword(ff, l, 8), NULL, 10);
-                       guest           = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
+                       if(words >= 10) guest           = strtoull(procfile_lineword(ff, l, 9), NULL, 10);
                        if(words >= 11) guest_nice      = strtoull(procfile_lineword(ff, l, 10), NULL, 10);
 
                        char *title = "Core utilization";