diff options
Diffstat (limited to 'Shell/sh_cputime.d')
| -rwxr-xr-x | Shell/sh_cputime.d | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/Shell/sh_cputime.d b/Shell/sh_cputime.d new file mode 100755 index 000000000000..433ce8e2088b --- /dev/null +++ b/Shell/sh_cputime.d @@ -0,0 +1,158 @@ +#!/usr/sbin/dtrace -Zs +/* + * sh_cputime.d - measure Bourne shell on-CPU times for types of operation. + * Written for the sh DTrace provider. + * + * $Id: sh_cputime.d 46 2007-09-17 10:25:36Z brendan $ + * + * This traces shell activity from all Bourne shells on the system that are + * running with sh provider support. + * + * USAGE: sh_cputime.d # hit Ctrl-C to end + * + * FIELDS: + * FILE Filename of the shell or shellscript + * TYPE Type of call (func/builtin/cmd/total) + * NAME Name of call + * TOTAL Total on-CPU time for calls (us) + * + * Filename and call names are printed if available. + * + * 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 + +dtrace:::BEGIN +{ + printf("Tracing... Hit Ctrl-C to end.\n"); +} + +sh*:::function-entry +{ + self->depth++; + self->function[self->depth] = vtimestamp; + self->exclude[self->depth] = 0; +} + +sh*:::function-return +/self->function[self->depth]/ +{ + this->oncpu_incl = vtimestamp - self->function[self->depth]; + this->oncpu_excl = this->oncpu_incl - self->exclude[self->depth]; + self->function[self->depth] = 0; + self->exclude[self->depth] = 0; + this->file = basename(copyinstr(arg0)); + this->name = copyinstr(arg1); + + @num[this->file, "func", this->name] = count(); + @num["-", "total", "-"] = count(); + @types_incl[this->file, "func", this->name] = sum(this->oncpu_incl); + @types_excl[this->file, "func", this->name] = sum(this->oncpu_excl); + @types_excl["-", "total", "-"] = sum(this->oncpu_excl); + + self->depth--; + self->exclude[self->depth] += this->oncpu_incl; +} + +sh*:::builtin-entry +{ + self->builtin = vtimestamp; +} + +sh*:::builtin-return +/self->builtin/ +{ + this->oncpu = vtimestamp - self->builtin; + self->builtin = 0; + this->file = basename(copyinstr(arg0)); + this->name = copyinstr(arg1); + + @num[this->file, "builtin", this->name] = count(); + @num["-", "total", "-"] = count(); + @types[this->file, "builtin", this->name] = sum(this->oncpu); + @types["-", "total", "-"] = sum(this->oncpu); + + self->exclude[self->depth] += this->oncpu; +} + +sh*:::command-entry +{ + incmd[pid] = basename(copyinstr(arg0)); + depth[pid] = self->depth; +} + +sh*:::command-return +{ + incmd[pid] = 0; +} + +proc:::exec-success +{ + /* + * Due to thread timing after fork(), this probe can fire before + * sh*:::command-entry has, which means we can't predicate this + * exec() away just yet. Store the vtimestamp in case it is needed. + */ + self->command = vtimestamp; +} + +proc:::exit +/incmd[ppid] == NULL/ +{ + self->command = 0; +} + +proc:::exit +/incmd[ppid] != NULL/ +{ + this->oncpu = vtimestamp - self->command; + self->command = 0; + + @num[incmd[ppid], "cmd", execname] = count(); + @num["-", "total", "-"] = count(); + @types[incmd[ppid], "cmd", execname] = sum(this->oncpu); + @types["-", "total", "-"] = sum(this->oncpu); + + self->exclude[depth[ppid]] += this->oncpu; + incmd[ppid] = 0; + depth[ppid] = 0; +} + +dtrace:::END +{ + printf("\nCounts,\n"); + printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "COUNT"); + printa(" %-20s %-10s %-32s %@8d\n", @num); + + normalize(@types, 1000); + printf("\nOn-CPU times (us),\n"); + printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL"); + printa(" %-20s %-10s %-32s %@8d\n", @types); + + normalize(@types_excl, 1000); + printf("\nExclusive function on-CPU times (us),\n"); + printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL"); + printa(" %-20s %-10s %-32s %@8d\n", @types_excl); + + normalize(@types_incl, 1000); + printf("\nInclusive function on-CPU times (us),\n"); + printf(" %-20s %-10s %-32s %8s\n", "FILE", "TYPE", "NAME", "TOTAL"); + printa(" %-20s %-10s %-32s %@8d\n", @types_incl); +} |