.arg = { [0] = { .scnprintf = SCA_PTR, /* brk */ }, }, },
{ .name = "clock_gettime",
.arg = { [0] = STRARRAY(clk_id, clockid), }, },
+ { .name = "clock_nanosleep",
+ .arg = { [2] = { .scnprintf = SCA_TIMESPEC, /* rqtp */ }, }, },
{ .name = "clone", .errpid = true, .nr_args = 5,
.arg = { [0] = { .name = "flags", .scnprintf = SCA_CLONE_FLAGS, },
[1] = { .name = "child_stack", .scnprintf = SCA_HEX, },
// FIXME: These should come from system headers
typedef char bool;
typedef int pid_t;
+typedef long long int __s64;
+typedef __s64 time64_t;
+
+struct timespec64 {
+ time64_t tv_sec;
+ long int tv_nsec;
+};
/* bpf-output associated map */
struct __augmented_syscalls__ {
return 1; /* Failure: don't filter */
}
+SEC("!syscalls:sys_enter_clock_nanosleep")
+int sys_enter_clock_nanosleep(struct syscall_enter_args *args)
+{
+ struct augmented_args_payload *augmented_args = augmented_args_payload();
+ const void *rqtp_arg = (const void *)args->args[2];
+ unsigned int len = sizeof(augmented_args->args);
+ __u32 size = sizeof(struct timespec64);
+
+ if (augmented_args == NULL)
+ goto failure;
+
+ if (size > sizeof(augmented_args->__data))
+ goto failure;
+
+ bpf_probe_read(&augmented_args->__data, size, rqtp_arg);
+
+ return augmented__output(args, augmented_args, len + size);
+failure:
+ return 1; /* Failure: don't filter */
+}
+
static pid_t getpid(void)
{
return bpf_get_current_pid_tgid();
perf-y += socket.o
perf-y += statx.o
perf-y += sync_file_range.o
+perf-y += timespec.o
perf-y += tracepoints/
size_t syscall_arg__scnprintf_sync_file_range_flags(char *bf, size_t size, struct syscall_arg *arg);
#define SCA_SYNC_FILE_RANGE_FLAGS syscall_arg__scnprintf_sync_file_range_flags
+size_t syscall_arg__scnprintf_timespec(char *bf, size_t size, struct syscall_arg *arg);
+#define SCA_TIMESPEC syscall_arg__scnprintf_timespec
+
size_t open__scnprintf_flags(unsigned long flags, char *bf, size_t size, bool show_prefix);
void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg,
--- /dev/null
+// SPDX-License-Identifier: LGPL-2.1
+// Copyright (C) 2022, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
+
+#include "trace/beauty/beauty.h"
+#include <inttypes.h>
+#include <time.h>
+
+static size_t syscall_arg__scnprintf_augmented_timespec(struct syscall_arg *arg, char *bf, size_t size)
+{
+ struct timespec *ts = (struct timespec *)arg->augmented.args;
+
+ return scnprintf(bf, size, "{ .tv_sec: %" PRIu64 ", .tv_nsec: %" PRIu64 " }", ts->tv_sec, ts->tv_nsec);
+}
+
+size_t syscall_arg__scnprintf_timespec(char *bf, size_t size, struct syscall_arg *arg)
+{
+ if (arg->augmented.args)
+ return syscall_arg__scnprintf_augmented_timespec(arg, bf, size);
+
+ return scnprintf(bf, size, "%#lx", arg->val);
+}