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bootchart: more useful error message for common error
author
Shawn Landden
<shawn@churchofgit.com>
Mon, 23 Mar 2015 10:51:35 +0000
(
03:51
-0700)
committer
Zbigniew Jędrzejewski-Szmek
<zbyszek@in.waw.pl>
Tue, 24 Mar 2015 04:12:03 +0000
(
00:12
-0400)
Reported-by: tfirg_ on IRC
src/bootchart/store.c
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diff --git
a/src/bootchart/store.c
b/src/bootchart/store.c
index
607cc5e
..
dfa681f
100644
(file)
--- a/
src/bootchart/store.c
+++ b/
src/bootchart/store.c
@@
-176,7
+176,7
@@
vmstat_next:
/* overall CPU utilization */
schedstat = openat(procfd, "schedstat", O_RDONLY);
if (schedstat == -1) {
- log_error_errno(errno, "Failed to open /proc/schedstat: %m");
+ log_error_errno(errno, "Failed to open /proc/schedstat
(requires CONFIG_SCHEDSTATS=y in kernel config)
: %m");
exit(EXIT_FAILURE);
}
}