diff options
Diffstat (limited to 'Documentation/trace')
| -rw-r--r-- | Documentation/trace/kprobetrace.txt | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt index a9100b28eb84..ec94748ae65b 100644 --- a/Documentation/trace/kprobetrace.txt +++ b/Documentation/trace/kprobetrace.txt | |||
| @@ -40,7 +40,9 @@ Synopsis of kprobe_events | |||
| 40 | $stack : Fetch stack address. | 40 | $stack : Fetch stack address. |
| 41 | $retval : Fetch return value.(*) | 41 | $retval : Fetch return value.(*) |
| 42 | +|-offs(FETCHARG) : Fetch memory at FETCHARG +|- offs address.(**) | 42 | +|-offs(FETCHARG) : Fetch memory at FETCHARG +|- offs address.(**) |
| 43 | NAME=FETCHARG: Set NAME as the argument name of FETCHARG. | 43 | NAME=FETCHARG : Set NAME as the argument name of FETCHARG. |
| 44 | FETCHARG:TYPE : Set TYPE as the type of FETCHARG. Currently, basic types | ||
| 45 | (u8/u16/u32/u64/s8/s16/s32/s64) are supported. | ||
| 44 | 46 | ||
| 45 | (*) only for return probe. | 47 | (*) only for return probe. |
| 46 | (**) this is useful for fetching a field of data structures. | 48 | (**) this is useful for fetching a field of data structures. |