45 lines
1.2 KiB
C
Executable file
45 lines
1.2 KiB
C
Executable file
/*
|
|
* trace/beauty/kcmp.c
|
|
*
|
|
* Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
|
|
*
|
|
* Released under the GPL v2. (and only v2, not any later version)
|
|
*/
|
|
|
|
#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)
|
|
{
|
|
static DEFINE_STRARRAY(kcmp_types);
|
|
return strarray__scnprintf(&strarray__kcmp_types, bf, size, "%d", 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);
|
|
}
|