Release 4.14 tools/perf/arch/x86/util/group.c
// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include "api/fs/fs.h"
#include "util/group.h"
/*
* Check whether we can use a group for top down.
* Without a group may get bad results due to multiplexing.
*/
bool arch_topdown_check_group(bool *warn)
{
int n;
if (sysctl__read_int("kernel/nmi_watchdog", &n) < 0)
return false;
if (n > 0) {
*warn = true;
return false;
}
return true;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andi Kleen | 46 | 100.00% | 1 | 100.00% |
| Total | 46 | 100.00% | 1 | 100.00% |
void arch_topdown_group_warn(void)
{
fprintf(stderr,
"nmi_watchdog enabled with topdown. May give wrong results.\n"
"Disable with echo 0 > /proc/sys/kernel/nmi_watchdog\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andi Kleen | 15 | 100.00% | 1 | 100.00% |
| Total | 15 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Andi Kleen | 71 | 98.61% | 1 | 50.00% |
| Greg Kroah-Hartman | 1 | 1.39% | 1 | 50.00% |
| Total | 72 | 100.00% | 2 | 100.00% |
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