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| author | Anjali Singhai Jain <anjali.singhai@intel.com> | 2014-07-10 11:58:25 +0400 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-08-27 12:11:00 +0400 |
| commit | 810b3ae42f5a6d1ddb17bb20eb69046de08ab1ef (patch) | |
| tree | 90d543634f2b5f9e675d97e02aa0f1428f3e343a /Documentation/accounting/taskstats.txt | |
| parent | 30650cc552cf9a60fa80a205693c6f76f7a00549 (diff) | |
| download | linux-810b3ae42f5a6d1ddb17bb20eb69046de08ab1ef.tar.xz | |
i40e/i40evf: Ignore a driver perceived Tx hang if the number of desc pending < 4
We are seeing situations where the driver sees a hang with less than 4
desc pending, if the driver chooses to ignore it the queue progresses
forward and the stack never experiences a real hang.
With this patch we will log a stat when this situation happens
"tx_sluggish" will increment and we can see some more details
at a higher debug level. Other than that we will ignore this
particular case of Tx hang.
Change-ID: I7d1d1666d990e2b12f4f6bed0d17d22e1b6410d5
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'Documentation/accounting/taskstats.txt')
0 files changed, 0 insertions, 0 deletions