diff options
Diffstat (limited to 'tapsets')
| -rw-r--r-- | tapsets/contextinfo/contextinfo.txt | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tapsets/contextinfo/contextinfo.txt b/tapsets/contextinfo/contextinfo.txt index 275f1b6d..5f7f725f 100644 --- a/tapsets/contextinfo/contextinfo.txt +++ b/tapsets/contextinfo/contextinfo.txt @@ -24,6 +24,8 @@ $pc: number: PC snapshot at invocation $stack[depth]: number: PC of caller at given depth, if available + $pid, $tgid, $uid, $comm : number/string : current-> fields + * Dependencies: Debug-info files @@ -40,6 +42,9 @@ $stack[0] might take some probing in the registers, or (eek!) on the target stack frame. Conservatively returning 0 instead may be okay. + The current-based series of values ($pid etc.), for kernel-targeted + probes, need to check for !in_interrupt() before dereferencing current->. + * Data collection: Several of the variables are translation-time constants, so these don't |