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devlink: Add auto dump flag to health reporter

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On low memory system, run time dumps can consume too much memory. Add
administrator ability to disable auto dumps per reporter as part of the
error flow handle routine.

This attribute is not relevant while executing
DEVLINK_CMD_HEALTH_REPORTER_DUMP_GET.

By default, auto dump is activated for any reporter that has a dump method,
as part of the reporter registration to devlink.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eran Ben Elisha 2020-03-29 14:05:55 +03:00 • committed by David S. Miller
parent ba7d16c779
commit 48bb52c80b
2 changed files with 24 additions and 4 deletions
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2
include/uapi/linux/devlink.h
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@ -429,6 +429,8 @@ enum devlink_attr {
DEVLINK_ATTR_NETNS_FD, /* u32 */
DEVLINK_ATTR_NETNS_PID, /* u32 */
DEVLINK_ATTR_NETNS_ID, /* u32 */
DEVLINK_ATTR_HEALTH_REPORTER_AUTO_DUMP, /* u8 */
/* add new attributes above here, update the policy in devlink.c */
__DEVLINK_ATTR_MAX,