[Crash-utility] issue: runq -g
Dave Anderson
anderson at redhat.com
Thu Jan 2 14:49:58 UTC 2014
----- Original Message -----
> Hi Dave,
>
> I was getting the following error upon executing "runq -g".
>
> runq: invalid structure member offset: cfs_rq_throttled
> FILE: task.c LINE: 7615 FUNCTION: print_group_header_fair()
>
> [./crash] error trace: 80e98b0 => 80e9815 => 80e577f => 8143bde
> TASK_GROUP: dac06c80 CFS_RQ: dac06080 <apps>runq: input string
> too large: "000000000808ec50" (16 vs 8)
>
> "cfs_bandwidth" is available in task_group irrespective of whether
> CONFIG_CFS_BANDWIDTH is enabled or not (but empty). But "throttled" is
> available in cfs_rq only if config is enabled. The following patch
> fixes this.
>
> diff --git a/task.c b/task.c
> index dc0310a..a119c60 100755
> --- a/task.c
> +++ b/task.c
> @@ -7611,7 +7611,7 @@ print_group_header_fair(int depth, ulong cfs_rq, void
> *t)
> if (tgi->name)
> fprintf(fp, " <%s>", tgi->name);
>
> - if (VALID_MEMBER(task_group_cfs_bandwidth)) {
> + if (VALID_MEMBER(cfs_rq_throttled)) {
> readmem(cfs_rq + OFFSET(cfs_rq_throttled), KVADDR,
> &throttled, sizeof(int), "cfs_rq throttled",
> FAULT_ON_ERROR);
>
> Thanks,
> Vinayak
>
Hi Vinayak,
Sorry for the delay -- I was on company break...
Queued for crash-7.0.5.
Thanks,
Dave
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