112 lines
2.9 KiB
D
Executable File
112 lines
2.9 KiB
D
Executable File
#!/usr/sbin/dtrace -CZs
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/*
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* tcl_calldist.d - measure Tcl elapsed time for different types of operation.
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* Written for the Tcl DTrace provider.
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*
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* $Id: tcl_calldist.d 63 2007-10-04 04:34:38Z brendan $
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*
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* USAGE: tcl_calldist.d [top] # hit Ctrl-C to end
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* eg,
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* tcl_calldist.d # default, truncate to 10 lines
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* tcl_calldist.d 25 # truncate each report section to 25 lines
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*
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* This traces activity from all Tcl processes on the system with DTrace
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* provider support (tcl8.4.16).
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*
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* FIELDS:
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* 1 Process ID
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* 2 Type of call (proc/cmd/total)
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* 3 Name of call
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*
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* COPYRIGHT: Copyright (c) 2007 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 09-Sep-2007 Brendan Gregg Created this.
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*/
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#define TOP 10 /* default output truncation */
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#define B_FALSE 0
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#pragma D option quiet
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#pragma D option defaultargs
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dtrace:::BEGIN
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{
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printf("Tracing... Hit Ctrl-C to end.\n");
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top = $1 != 0 ? $1 : TOP;
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}
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tcl*:::proc-entry
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{
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self->depth++;
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self->exclude[self->depth] = 0;
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self->proc[self->depth] = timestamp;
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}
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tcl*:::proc-return
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/self->proc[self->depth]/
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{
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this->elapsed_incl = timestamp - self->proc[self->depth];
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this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth];
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self->proc[self->depth] = 0;
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self->exclude[self->depth] = 0;
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this->name = copyinstr(arg0);
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@types_incl[pid, "proc", this->name] =
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quantize(this->elapsed_incl / 1000);
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@types_excl[pid, "proc", this->name] =
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quantize(this->elapsed_excl / 1000);
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self->depth--;
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self->exclude[self->depth] += this->elapsed_incl;
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}
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tcl*:::cmd-entry
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{
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self->depth++;
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self->exclude[self->depth] = 0;
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self->cmd[self->depth] = timestamp;
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}
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tcl*:::cmd-return
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/self->cmd[self->depth]/
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{
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this->elapsed_incl = timestamp - self->cmd[self->depth];
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this->elapsed_excl = this->elapsed_incl - self->exclude[self->depth];
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self->cmd[self->depth] = 0;
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self->exclude[self->depth] = 0;
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this->name = copyinstr(arg0);
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@types_incl[pid, "cmd", this->name] =
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quantize(this->elapsed_incl / 1000);
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@types_excl[pid, "cmd", this->name] =
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quantize(this->elapsed_excl / 1000);
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self->depth--;
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self->exclude[self->depth] += this->elapsed_incl;
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}
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dtrace:::END
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{
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trunc(@types_excl, top);
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printf("\nTop %d exclusive elapsed times (us),\n", top);
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printa(" PID=%d, %s, %s %@d\n", @types_excl);
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trunc(@types_incl, top);
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printf("\nTop %d inclusive elapsed times (us),\n", top);
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printa(" PID=%d, %s, %s %@d\n", @types_incl);
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}
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