diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Perl/pl_flowinfo.d')
-rwxr-xr-x | cddl/contrib/dtracetoolkit/Perl/pl_flowinfo.d | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Perl/pl_flowinfo.d b/cddl/contrib/dtracetoolkit/Perl/pl_flowinfo.d new file mode 100755 index 000000000000..06769fdb9cd7 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Perl/pl_flowinfo.d @@ -0,0 +1,86 @@ +#!/usr/sbin/dtrace -Zs +/* + * pl_flowinfo.d - snoop Perl subroutine flow with info using DTrace. + * Written for the Perl DTrace provider. + * + * $Id: pl_flowinfo.d 41 2007-09-17 02:20:10Z brendan $ + * + * This traces activity from all Perl programs on the system that are + * running with Perl provider support. + * + * USAGE: pl_flowinfo.d # hit Ctrl-C to end + * + * FIELDS: + * C CPU-id + * PID Process ID + * DELTA(us) Elapsed time from previous line to this line + * FILE Filename of the Perl program + * LINE Line number of filename + * TYPE Type of call (sub) + * SUB Perl subroutine + * + * LEGEND: + * -> subroutine entry + * <- subroutine return + * + * Filename and subroutine names are printed if available. + * + * WARNING: Watch the first column carefully, it prints the CPU-id. If it + * changes, then it is very likely that the output has been shuffled. + * + * COPYRIGHT: Copyright (c) 2007 Brendan Gregg. + * + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (the "License"). You may not use this file except in compliance + * with the License. + * + * You can obtain a copy of the license at Docs/cddl1.txt + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * CDDL HEADER END + * + * 09-Sep-2007 Brendan Gregg Created this. + */ + +#pragma D option quiet +#pragma D option switchrate=10 + +self int depth; + +dtrace:::BEGIN +{ + printf("%s %6s %10s %16s:%-4s %-8s -- %s\n", "C", "PID", "DELTA(us)", + "FILE", "LINE", "TYPE", "SUB"); +} + +perl*:::sub-entry, +perl*:::sub-return +/self->last == 0/ +{ + self->last = timestamp; +} + +perl*:::sub-entry +{ + this->delta = (timestamp - self->last) / 1000; + printf("%d %6d %10d %16s:%-4d %-8s %*s-> %s\n", cpu, pid, this->delta, + basename(copyinstr(arg1)), arg2, "sub", self->depth * 2, "", + copyinstr(arg0)); + self->depth++; + self->last = timestamp; +} + +perl*:::sub-return +{ + this->delta = (timestamp - self->last) / 1000; + self->depth -= self->depth > 0 ? 1 : 0; + printf("%d %6d %10d %16s:%-4d %-8s %*s<- %s\n", cpu, pid, this->delta, + basename(copyinstr(arg1)), arg2, "sub", self->depth * 2, "", + copyinstr(arg0)); + self->last = timestamp; +} |