90 lines
1.7 KiB
C
90 lines
1.7 KiB
C
#ident "$Header: /proj/irix6.5.7m/isms/irix/cmd/icrash/cmds/RCS/cmd_ktrace.c,v 1.6 1999/05/25 19:21:38 tjm Exp $"
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <klib/klib.h>
|
|
#include "icrash.h"
|
|
|
|
/*
|
|
* ktrace_cmd() -- Generates a stack trace using a kthread as a starting point
|
|
*/
|
|
int
|
|
ktrace_cmd(command_t cmd)
|
|
{
|
|
int i, mode;
|
|
kaddr_t value;
|
|
k_ptr_t ktp;
|
|
kstruct_t ksp;
|
|
trace_t *trace;
|
|
|
|
trace = alloc_trace_rec();
|
|
|
|
for (i = 0; i < cmd.nargs; i++) {
|
|
|
|
trace_banner(cmd.ofp);
|
|
kl_get_value(cmd.args[i], &mode, 0, &value);
|
|
if (KL_ERROR) {
|
|
print_trace_error(trace, cmd.ofp);
|
|
clean_trace_rec(trace);
|
|
continue;
|
|
}
|
|
|
|
ktp = kl_get_kthread(value, 0);
|
|
if (KL_ERROR) {
|
|
print_trace_error(trace, cmd.ofp);
|
|
clean_trace_rec(trace);
|
|
continue;
|
|
}
|
|
|
|
ksp.ptr = ktp;
|
|
ksp.addr = value;
|
|
|
|
setup_trace_rec((kaddr_t)0, &ksp, KTHREAD_FLAG, trace);
|
|
if (KL_ERROR) {
|
|
print_trace_error(trace, cmd.ofp);
|
|
clean_trace_rec(trace);
|
|
continue;
|
|
}
|
|
|
|
kthread_trace(trace, cmd.flags, cmd.ofp);
|
|
if (KL_ERROR) {
|
|
print_trace_error(trace, cmd.ofp);
|
|
}
|
|
clean_trace_rec(trace);
|
|
}
|
|
free_trace_rec(trace);
|
|
trace_banner(cmd.ofp);
|
|
return(0);
|
|
}
|
|
|
|
#define _KTRACE_USAGE "[-a] [-f] [-w outfile] [kthread_list]"
|
|
|
|
/*
|
|
* ktrace_usage() -- Print the usage string for the 'ktrace' command.
|
|
*/
|
|
void
|
|
ktrace_usage(command_t cmd)
|
|
{
|
|
CMD_USAGE(cmd, _KTRACE_USAGE);
|
|
}
|
|
|
|
/*
|
|
* ktrace_help() -- Print the help information for the 'ktrace' command.
|
|
*/
|
|
void
|
|
ktrace_help(command_t cmd)
|
|
{
|
|
CMD_HELP(cmd, _KTRACE_USAGE,
|
|
"Displays a stack trace for each kthread pointer included in "
|
|
"kthread_list.");
|
|
}
|
|
|
|
/*
|
|
* ktrace_parse() -- Parse the command line arguments for 'ktrace'.
|
|
*/
|
|
int
|
|
ktrace_parse(command_t cmd)
|
|
{
|
|
return (C_TRUE|C_WRITE|C_FULL);
|
|
}
|