diff options
| -rw-r--r-- | usr.sbin/btrace/bt.5 | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/usr.sbin/btrace/bt.5 b/usr.sbin/btrace/bt.5 index 24778f387a7..5014856e2d0 100644 --- a/usr.sbin/btrace/bt.5 +++ b/usr.sbin/btrace/bt.5 @@ -1,4 +1,4 @@ -.\" $OpenBSD: bt.5,v 1.8 2020/09/17 19:18:18 jasper Exp $ +.\" $OpenBSD: bt.5,v 1.9 2020/09/18 18:05:20 jmc Exp $ .\" .\" Copyright (c) 2019 Martin Pieuchot <mpi@openbsd.org> .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: September 17 2020 $ +.Dd $Mdocdate: September 18 2020 $ .Dt BT 5 .Os .Sh NAME @@ -36,7 +36,7 @@ when an enabled .Ar probe is triggered. They are periodically collected by -.Xr btrace 8 +.Xr btrace 8 , which formats them using the corresponding .Ar action . If a recorded event doesn't match the optional @@ -64,7 +64,7 @@ the last. They cannot be combined with any .Ar filter . .Sh FILTER -Define under with condition an event should be recorded when its related +Define under which condition an event should be recorded when its related .Ar probe is executed. An empty @@ -73,11 +73,11 @@ means record all events. .Pp Variable names available in filters: .Pp -.Bl -tag -width "pid " -compact +.Bl -tag -width "kstack " -compact -offset indent .It Va pid -Process ID of the current thread +Process ID of the current thread. .It Va tid -Thread ID of the current thread +Thread ID of the current thread. .El .Sh ACTION An action is a sequence of statements that are evaluated for each event recorded @@ -86,31 +86,30 @@ by the associated .Pp Variable names with special meaning: .Pp -.Bl -tag -width "kstack " -compact +.Bl -tag -width "kstack " -compact -offset indent .It Va argN Argument .Va N -of the corresponding probe +of the corresponding probe. .It Va comm -Command name of the current process +Command name of the current process. .It Va cpu -ID of the processor that recorded the event +ID of the processor that recorded the event. .It Va kstack -Kernel stack of the current thread +Kernel stack of the current thread. .It Va nsecs -Timestamp of the event in nanoseconds +Timestamp of the event in nanoseconds. .It Va pid -Process ID of the current thread +Process ID of the current thread. .It Va retval -Return value of the traced syscall +Return value of the traced syscall. .It Va tid -Thread ID of the current thread +Thread ID of the current thread. .\".It Va ustack -.\"Userland stack of the current thread +.\"Userland stack of the current thread. .El .Pp Functions: -.Pp .Bl -tag -width "lhist(value, min, max, step)" .It Fn clear "@map" Delete all (key, value) pairs from |