Files
cubelinux-kernel/tools/perf/trace/beauty/kcmp.c
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

44 lines
1.2 KiB
C

// SPDX-License-Identifier: LGPL-2.1
/*
* trace/beauty/kcmp.c
*
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
*/
#include "trace/beauty/beauty.h"
#include <linux/kernel.h>
#include <sys/types.h>
#include <machine.h>
#include <uapi/linux/kcmp.h>
#include "trace/beauty/generated/kcmp_type_array.c"
size_t syscall_arg__scnprintf_kcmp_idx(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long fd = arg->val;
int type = syscall_arg__val(arg, 2);
pid_t pid;
if (type != KCMP_FILE)
return syscall_arg__scnprintf_long(bf, size, arg);
pid = syscall_arg__val(arg, arg->idx == 3 ? 0 : 1); /* idx1 -> pid1, idx2 -> pid2 */
return pid__scnprintf_fd(arg->trace, pid, fd, bf, size);
}
static size_t kcmp__scnprintf_type(int type, char *bf, size_t size, bool show_prefix)
{
static DEFINE_STRARRAY(kcmp_types, "KCMP_");
return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", show_prefix, type);
}
size_t syscall_arg__scnprintf_kcmp_type(char *bf, size_t size, struct syscall_arg *arg)
{
unsigned long type = arg->val;
if (type != KCMP_FILE)
arg->mask |= (1 << 3) | (1 << 4); /* Ignore idx1 and idx2 */
return kcmp__scnprintf_type(type, bf, size, arg->show_string_prefix);
}