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| author | Dmitry Monakhov <dmonakhov@openvz.org> | 2014-12-12 16:58:00 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-13 12:42:52 -0800 |
| commit | 6adc4a22f20bbf3bbc754f1ec8c82be5dfb5c71a (patch) | |
| tree | f307626cf0c83d3114470f8dd3a5aca6134445e3 /include/linux/fault-inject.h | |
| parent | 89e3f90995b370fa46922eece62ea23f039a202d (diff) | |
| download | op-kernel-dev-6adc4a22f20bbf3bbc754f1ec8c82be5dfb5c71a.zip op-kernel-dev-6adc4a22f20bbf3bbc754f1ec8c82be5dfb5c71a.tar.gz | |
fault-inject: add ratelimit option
Current debug levels are not optimal. Especially if one want to provoke
big numbers of faults(broken device simulator) then any verbose level will
produce giant numbers of identical logging messages. Let's add ratelimit
parameter for that purpose.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Acked-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/fault-inject.h')
| -rw-r--r-- | include/linux/fault-inject.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h index c6f996f..798fad9 100644 --- a/include/linux/fault-inject.h +++ b/include/linux/fault-inject.h @@ -5,6 +5,7 @@ #include <linux/types.h> #include <linux/debugfs.h> +#include <linux/ratelimit.h> #include <linux/atomic.h> /* @@ -25,14 +26,18 @@ struct fault_attr { unsigned long reject_end; unsigned long count; + struct ratelimit_state ratelimit_state; + struct dentry *dname; }; -#define FAULT_ATTR_INITIALIZER { \ - .interval = 1, \ - .times = ATOMIC_INIT(1), \ - .require_end = ULONG_MAX, \ - .stacktrace_depth = 32, \ - .verbose = 2, \ +#define FAULT_ATTR_INITIALIZER { \ + .interval = 1, \ + .times = ATOMIC_INIT(1), \ + .require_end = ULONG_MAX, \ + .stacktrace_depth = 32, \ + .ratelimit_state = RATELIMIT_STATE_INIT_DISABLED, \ + .verbose = 2, \ + .dname = NULL, \ } #define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER |
