| /linux/kernel/ |
| H A D | pid.c | 3 * Generic pidhash and scalable, time-bounded PID allocator
9 * pid-structures are backing objects for tasks sharing a given ID to chain
17 * We have a list of bitmap pages, which bitmaps represent the PID space.
23 * Pid namespaces:
49 struct pid init_struct_pid = {
67 * PID-map pages start out as NULL, they get allocated upon
88 void put_pid(struct pid *pid) in put_pid() argument
92 if (!pid) in put_pid()
95 ns = pid->numbers[pid->level].ns; in put_pid()
96 if (refcount_dec_and_test(&pid->count)) { in put_pid()
[all …]
|
| /linux/fs/ |
| H A D | pidfs.c | 9 #include <linux/pid.h>
67 .key_offset = offsetof(struct pid, ino),
69 .head_offset = offsetof(struct pid, pidfs_hash),
77 * to struct pid is the inode number.
79 * On 32 bit the 64 bit number assigned to struct pid is split
166 void pidfs_prepare_pid(struct pid *pid) in pidfs_prepare_pid()
168 pid->stashed = NULL; in pidfs_prepare_pid()
169 pid->attr = NULL; in pidfs_prepare_pid()
170 pid in pidfs_prepare_pid()
164 pidfs_prepare_pid(struct pid * pid) pidfs_prepare_pid() argument
171 pidfs_add_pid(struct pid * pid) pidfs_add_pid() argument
183 pidfs_remove_pid(struct pid * pid) pidfs_remove_pid() argument
211 pidfs_free_pid(struct pid * pid) pidfs_free_pid() argument
276 struct pid *pid = pidfd_pid(f); pidfd_show_fdinfo() local
310 struct pid *pid = pidfd_pid(file); pidfd_poll() local
331 pid_in_current_pidns(const struct pid * pid) pid_in_current_pidns() argument
371 struct pid *pid = pidfd_pid(file); pidfd_info() local
672 struct pid *pid = inode->i_private; pidfs_file_release() local
726 struct pid *pid = task_pid(tsk); pidfs_exit() local
773 struct pid *pid = cprm->pid; pidfs_coredump() local
817 struct pid *pid = inode->i_private; pidfs_listxattr() local
836 struct pid *pid = inode->i_private; pidfs_evict_inode() local
865 const struct pid *pid = inode->i_private; pidfs_encode_fh() local
880 struct pid *pid; pidfs_ino_get_pid() local
905 struct pid *pid; pidfs_fh_to_dentry() local
973 const struct pid *pid = data; pidfs_init_inode() local
989 struct pid *pid = data; pidfs_put_data() local
1001 pidfs_register_pid(struct pid * pid) pidfs_register_pid() argument
1038 struct pid *pid = d_inode(dentry)->i_private; pidfs_stash_dentry() local
1059 struct pid *pid = inode->i_private; pidfs_xattr_get() local
1077 struct pid *pid = inode->i_private; pidfs_xattr_set() local
1135 pidfs_alloc_file(struct pid * pid,unsigned int flags) pidfs_alloc_file() argument
[all...] |
| /linux/tools/testing/selftests/rlimits/ |
| H A D | rlimits-per-userns.c | 32 pid_t pid = getpid(); in setrlimit_nproc() local
38 warnx("(pid=%d): Setting RLIMIT_NPROC=%ld", pid, n); in setrlimit_nproc()
41 err(EXIT_FAILURE, "(pid=%d): setrlimit(RLIMIT_NPROC)", pid); in setrlimit_nproc()
46 pid_t pid = fork(); in fork_child() local
48 if (pid < 0) in fork_child()
51 if (pid > 0) in fork_child()
52 return pid; in fork_child()
54 pid = getpid(); in fork_child()
56 warnx("(pid=%d): New process starting ...", pid); in fork_child()
59 err(EXIT_FAILURE, "(pid=%d): prctl(PR_SET_PDEATHSIG)", pid); in fork_child()
[all …]
|
| /linux/tools/testing/selftests/powerpc/ptrace/ |
| H A D | ptrace-perf-hwbreak.c | 39 static inline long sys_ptrace(long request, pid_t pid, unsigned long addr, unsigned long data) in sys_ptrace() argument
41 return syscall(__NR_ptrace, request, pid, addr, data); in sys_ptrace()
49 static long ptrace_getregs(pid_t pid, struct pt_regs *result) in ptrace_getregs() argument
51 return sys_ptrace(PTRACE_GETREGS, pid, 0, (unsigned long)result); in ptrace_getregs()
54 static long ptrace_setregs(pid_t pid, struct pt_regs *result) in ptrace_setregs() argument
56 return sys_ptrace(PTRACE_SETREGS, pid, 0, (unsigned long)result); in ptrace_setregs()
59 static long ptrace_cont(pid_t pid, long signal) in ptrace_cont() argument
61 return sys_ptrace(PTRACE_CONT, pid, 0, signal); in ptrace_cont()
64 static long ptrace_singlestep(pid_t pid, long signal) in ptrace_singlestep() argument
66 return sys_ptrace(PTRACE_SINGLESTEP, pid, 0, signal); in ptrace_singlestep()
[all …]
|
| /linux/include/trace/events/ |
| H A D | oom.h | 19 __field( pid_t, pid)
25 __entry->pid = task->pid;
30 TP_printk("pid=%d comm=%s oom_score_adj=%hd",
31 __entry->pid, __entry->comm, __entry->oom_score_adj)
82 __field(int, pid)
94 __entry->pid = task->pid;
105 …TP_printk("pid=%d comm=%s total-vm=%lukB anon-rss=%lukB file-rss:%lukB shmem-rss:%lukB uid=%u pgta…
106 __entry->pid,
119 TP_PROTO(int pid),
121 TP_ARGS(pid),
[all …]
|
| /linux/tools/testing/selftests/clone3/ |
| H A D | clone3_set_tid.c | 6 * PID namespace.
45 pid_t pid = -1; in call_clone3_set_tid() local
54 pid = sys_clone3(&args, sizeof(args)); in call_clone3_set_tid()
55 if (pid < 0) { in call_clone3_set_tid()
61 if (pid == 0) { in call_clone3_set_tid()
66 ksft_print_msg("I am the child, my PID is %d (expected %d)\n", in call_clone3_set_tid()
96 if (expected_pid == 0 || expected_pid == pid) { in call_clone3_set_tid()
97 ksft_print_msg("I am the parent (%d). My child's pid is %d\n", in call_clone3_set_tid()
98 getpid(), pid); in call_clone3_set_tid()
101 "Expected child pid %d does not match actual pid %d\n", in call_clone3_set_tid()
[all …]
|
| H A D | clone3_cap_checkpoint_restore.c | 6 * PID namespace.
41 pid_t pid = -1; in call_clone3_set_tid() local
49 pid = sys_clone3(&args, sizeof(args)); in call_clone3_set_tid()
50 if (pid < 0) { in call_clone3_set_tid()
55 if (pid == 0) { in call_clone3_set_tid()
56 TH_LOG("I am the child, my PID is %d (expected %d)", getpid(), set_tid[0]); in call_clone3_set_tid()
63 TH_LOG("I am the parent (%d). My child's pid is %d", getpid(), pid); in call_clone3_set_tid()
65 if (waitpid(pid, &status, 0) < 0) { in call_clone3_set_tid()
123 pid_t pid; in set_capability()
136 pid_t pid; TEST() local
[all...] |
| /linux/tools/testing/selftests/powerpc/signal/ |
| H A D | sigreturn_kernel.c | 35 pid_t pid; in fork_child() local
37 pid = fork(); in fork_child()
38 if (pid == 0) { in fork_child()
43 return pid; in fork_child()
46 static int expect_segv(pid_t pid) in expect_segv() argument
50 waitpid(pid, &child_ret, 0); in expect_segv()
62 pid_t pid; in test_sigreturn_kernel() local
73 pid = fork_child(); in test_sigreturn_kernel()
74 expect_segv(pid); in test_sigreturn_kernel()
78 pid = fork_child(); in test_sigreturn_kernel()
[all …]
|
| /linux/tools/testing/selftests/pid_namespace/ |
| H A D | pid_max.c | 105 pid_t pid; in pid_max_nested_inner()
134 pid = fork(); in pid_max_nested_inner()
135 if (pid == 0) in pid_max_nested_inner()
137 wait_for_pid(pid); in pid_max_nested_inner()
138 if (pid > inner_limit) { in pid_max_nested_inner() local
139 fprintf(stderr, "Managed to create pid number beyond limit\n"); in pid_max_nested_inner()
196 fprintf(stderr, "Managed to create process even though ancestor pid namespace had a limit\n"); in pid_max_nested_outer()
202 pid_t pid; in pid_max_nested_outer()
204 pid = fork(); in pid_max_nested_outer()
205 if (pid < in pid_max_nested_outer()
41 pid_t pid; pid_max_cb() local
162 pid_t pid; pid_max_nested_outer() local
230 pid_t pid; pid_max_nested_limit_inner() local
288 pid_t pid; pid_max_nested_limit_outer() local
333 pid_t pid; TEST() local
343 pid_t pid; TEST() local
352 pid_t pid; TEST() local
[all...] |
| /linux/kernel/trace/ |
| H A D | pid_list.c | 90 static inline int pid_split(unsigned int pid, unsigned int *upper1, in pid_split() argument
96 /* In case a bad pid is passed in, then fail */ in pid_split()
97 if (unlikely(pid >= MAX_PID)) in pid_split()
100 *upper1 = (pid >> UPPER1_SHIFT) & UPPER_MASK; in pid_split()
101 *upper2 = (pid >> UPPER2_SHIFT) & UPPER_MASK; in pid_split()
102 *lower = pid & LOWER_MASK; in pid_split()
116 * trace_pid_list_is_set - test if the pid is set in the list
117 * @pid_list: The pid list to test
118 * @pid: The pid to see if set in the list.
120 * Tests if @pid is set in the @pid_list. This is usually called
[all …]
|
| /linux/tools/testing/selftests/riscv/vector/ |
| H A D | validate_v_ptrace.c | 22 pid_t pid; in TEST() local
28 pid = fork(); in TEST()
29 ASSERT_LE(0, pid) in TEST()
32 if (pid == 0) { in TEST()
47 ASSERT_EQ(0, ptrace(PTRACE_ATTACH, pid, NULL, NULL)); in TEST()
48 ASSERT_EQ(pid, waitpid(pid, &status, 0)); in TEST()
53 ASSERT_EQ(0, ptrace(PTRACE_POKEDATA, pid, &chld_lock, 0)); in TEST()
57 ASSERT_EQ(0, ptrace(PTRACE_CONT, pid, NULL, NULL)); in TEST()
58 ASSERT_EQ(pid, waitpid(pid, &status, 0)); in TEST()
72 ret = ptrace(PTRACE_GETREGSET, pid, NT_RISCV_VECTOR, &iov); in TEST()
[all …]
|
| /linux/scripts/gdb/linux/ |
| H A D | tasks.py | 38 def get_task_by_pid(pid): argument
40 if int(task['pid']) == pid:
46 """Find Linux task by PID and return the task_struct variable.
48 $lx_task_by_pid(PID): Given PID, iterate over all tasks of the target and
49 return that task_struct variable which PID matches."""
54 def invoke(self, pid): argument
55 task = get_task_by_pid(pid)
59 raise gdb.GdbError("No task of PID "
119 invoke(self, pid) global() argument
[all...] |
| /linux/drivers/media/common/b2c2/ |
| H A D | flexcop-hw-filter.c | 4 * flexcop-hw-filter.c - pid and mac address filtering and control functions
47 u16 pid, u16 mask) in flexcop_pid_group_filter() argument
51 v30c.pid_filter_30c_ext_ind_0_7.Group_PID = pid; in flexcop_pid_group_filter()
61 /* this fancy define reduces the code size of the quite similar PID controlling of
68 vpid.vregname.field = onoff ? pid : 0x1fff; \
75 u16 pid, int onoff) in flexcop_pid_Stream1_PID_ctrl() argument
82 u16 pid, int onoff) in flexcop_pid_Stream2_PID_ctrl() argument
89 u16 pid, int onoff) in flexcop_pid_PCR_PID_ctrl() argument
95 u16 pid, int onoff) in flexcop_pid_PMT_PID_ctrl() argument
101 u16 pid, int onoff) in flexcop_pid_EMM_PID_ctrl() argument
[all …]
|
| /linux/tools/testing/selftests/ftrace/test.d/trigger/inter-event/ |
| H A D | trigger-inter-event-combined-hist.tc | 13 echo 'waking_latency u64 lat pid_t pid' > synthetic_events
20 echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_waking/trigger
21 echo 'hist:keys=pid:waking_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).waking_laten…
22 echo 'hist:keys=pid,lat:sort=pid,lat' > events/synthetic/waking_latency/trigger
24 echo 'wakeup_latency u64 lat pid_t pid' >> synthetic_events
25 echo 'hist:keys=pid:ts1=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger
28 echo 'waking_plus_wakeup_latency u64 lat; pid_t pid' >> synthetic_events
29 …ho 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency…
30 echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking_plus_wakeup_latency/trigger
33 if ! grep -q "pid:" events/synthetic/waking_plus_wakeup_latency/hist; then
|
| /linux/drivers/gpu/drm/amd/amdkfd/ |
| H A D | kfd_smi_events.c | 43 pid_t pid; member
163 static bool kfd_smi_ev_enabled(pid_t pid, struct kfd_smi_client *client, in kfd_smi_ev_enabled() argument
168 if (pid && client->pid != pid && !client->suser) in kfd_smi_ev_enabled()
174 static void add_event_to_kfifo(pid_t pid, struct kfd_node *dev, in add_event_to_kfifo() argument
182 if (!kfd_smi_ev_enabled(pid, client, smi_event)) in add_event_to_kfifo()
199 static void kfd_smi_event_add(pid_t pid, struct kfd_node *dev, in kfd_smi_event_add() argument
215 add_event_to_kfifo(pid, dev, event, fifo_in, len); in kfd_smi_event_add()
256 if (task_info->task.pid) in kfd_smi_event_update_vmfault()
263 kfd_smi_event_page_fault_start(struct kfd_node * node,pid_t pid,unsigned long address,bool write_fault,ktime_t ts) kfd_smi_event_page_fault_start() argument
272 kfd_smi_event_page_fault_end(struct kfd_node * node,pid_t pid,unsigned long address,bool migration) kfd_smi_event_page_fault_end() argument
280 kfd_smi_event_migration_start(struct kfd_node * node,pid_t pid,unsigned long start,unsigned long end,uint32_t from,uint32_t to,uint32_t prefetch_loc,uint32_t preferred_loc,uint32_t trigger) kfd_smi_event_migration_start() argument
292 kfd_smi_event_migration_end(struct kfd_node * node,pid_t pid,unsigned long start,unsigned long end,uint32_t from,uint32_t to,uint32_t trigger,int error_code) kfd_smi_event_migration_end() argument
303 kfd_smi_event_queue_eviction(struct kfd_node * node,pid_t pid,uint32_t trigger) kfd_smi_event_queue_eviction() argument
311 kfd_smi_event_queue_restore(struct kfd_node * node,pid_t pid) kfd_smi_event_queue_restore() argument
338 kfd_smi_event_unmap_from_gpu(struct kfd_node * node,pid_t pid,unsigned long address,unsigned long last,uint32_t trigger) kfd_smi_event_unmap_from_gpu() argument
[all...] |
| /linux/tools/perf/scripts/perl/ |
| H A D | rw-by-pid.pl | 75 printf("read counts by pid:\n\n");
77 printf("%6s %20s %10s %10s %10s\n", "pid", "comm",
82 foreach my $pid (sort { ($reads{$b}{bytes_read} || 0) <=>
84 my $comm = $reads{$pid}{comm} || "";
85 my $total_reads = $reads{$pid}{total_reads} || 0;
86 my $bytes_requested = $reads{$pid}{bytes_requested} || 0;
87 my $bytes_read = $reads{$pid}{bytes_read} || 0;
89 printf("%6s %-20s %10s %10s %10s\n", $pid, $comm,
93 printf("\nfailed reads by pid:\n\n");
95 printf("%6s %20s %6s %10s\n", "pid", "comm", "error #", "# errors");
[all …]
|
| /linux/include/uapi/linux/dvb/ |
| H A D | dmx.h | 60 * @DMX_PES_AUDIO0: first audio PID. Also referred as @DMX_PES_AUDIO.
61 * @DMX_PES_VIDEO0: first video PID. Also referred as @DMX_PES_VIDEO.
62 * @DMX_PES_TELETEXT0: first teletext PID. Also referred as @DMX_PES_TELETEXT.
63 * @DMX_PES_SUBTITLE0: first subtitle PID. Also referred as @DMX_PES_SUBTITLE.
64 * @DMX_PES_PCR0: first Program Clock Reference PID.
67 * @DMX_PES_AUDIO1: second audio PID.
68 * @DMX_PES_VIDEO1: second video PID.
69 * @DMX_PES_TELETEXT1: second teletext PID.
70 * @DMX_PES_SUBTITLE1: second subtitle PID.
71 * @DMX_PES_PCR1: second Program Clock Reference PID.
[all …]
|
| /linux/tools/perf/scripts/python/ |
| H A D | netdev-times.py | 142 event['pid'], event['comm']))
232 def irq__softirq_entry(name, context, cpu, sec, nsec, pid, comm, callchain, vec): argument
235 event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
238 def irq__softirq_exit(name, context, cpu, sec, nsec, pid, comm, callchain, vec): argument
241 event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
244 def irq__softirq_raise(name, context, cpu, sec, nsec, pid, comm, callchain, vec): argument
247 event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, vec)
250 def irq__irq_handler_entry(name, context, cpu, sec, nsec, pid, comm, argument
252 event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm,
256 def irq__irq_handler_exit(name, context, cpu, sec, nsec, pid, comm, callchain, irq, ret): argument
[all …]
|
| /linux/tools/testing/selftests/pidfd/ |
| H A D | pidfd_test.c | 148 pid_t pid; in test_pidfd_send_signal_exited_fail() local
158 pid = fork(); in test_pidfd_send_signal_exited_fail()
159 if (pid < 0) in test_pidfd_send_signal_exited_fail()
163 if (pid == 0) in test_pidfd_send_signal_exited_fail()
166 snprintf(buf, sizeof(buf), "/proc/%d", pid); in test_pidfd_send_signal_exited_fail()
170 ret = wait_for_pid(pid); in test_pidfd_send_signal_exited_fail()
208 const char *test_name = "pidfd_send_signal signal recycled pid"; in test_pidfd_send_signal_recycled_pid_fail()
220 ksft_test_result_skip("%s test: Unsharing pid namespace not permitted\n", in test_pidfd_send_signal_recycled_pid_fail()
224 ksft_exit_fail_msg("%s test: Failed to unshare pid namespace\n", in test_pidfd_send_signal_recycled_pid_fail()
244 /* pid 1 in new pid namespace */ in test_pidfd_send_signal_recycled_pid_fail()
[all …]
|
| /linux/arch/um/os-Linux/ |
| H A D | start_up.c | 44 int pid = os_getpid(), ppid = getppid(); in ptrace_child() local
50 kill(pid, SIGKILL); in ptrace_child()
52 kill(pid, SIGSTOP); in ptrace_child()
60 if (sc_result == pid) in ptrace_child()
107 int pid, n, status; in start_ptraced_child() local
111 pid = fork(); in start_ptraced_child()
112 if (pid == 0) in start_ptraced_child()
114 else if (pid < 0) in start_ptraced_child()
117 CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED)); in start_ptraced_child()
124 return pid; in start_ptraced_child()
[all …]
|
| /linux/tools/testing/selftests/cgroup/ |
| H A D | cgroup_util.c | |
| /linux/arch/powerpc/platforms/powernv/ |
| H A D | vas-trace.h | 24 __field(int, pid)
34 __entry->pid = tsk->pid;
42 TP_printk("pid=%d, vasid=%d, cop=%d, lpid=%d, pid=%d, tid=%d",
43 __entry->pid, __entry->vasid, __entry->cop,
59 __field(int, pid)
68 __entry->pid = tsk->pid;
75 TP_printk("pid=%d, vasid=%d, cop=%d, lpid=%d, pidr=%d",
76 __entry->pid, __entry->vasid, __entry->cop,
90 __field(int, pid)
97 __entry->pid = tsk->pid;
[all …]
|
| /linux/tools/perf/util/ |
| H A D | thread_map.c | 34 struct perf_thread_map *thread_map__new_by_pid(pid_t pid) in thread_map__new_by_pid() argument
42 sprintf(name, "/proc/%d/task", pid); in thread_map__new_by_pid()
96 pid_t pid = strtol(dirent->d_name, &end, 10); in thread_map__new_all_cpus() local
101 snprintf(path, sizeof(path), "/proc/%d/task", pid); in thread_map__new_all_cpus()
104 pr_debug("scandir for %d returned empty, skipping\n", pid); in thread_map__new_all_cpus()
151 struct perf_thread_map *thread_map__new(pid_t pid, pid_t tid) in thread_map__new() argument
153 if (pid != -1) in thread_map__new()
154 return thread_map__new_by_pid(pid); in thread_map__new()
166 pid_t pid, prev_pid = INT_MAX; in thread_map__new_by_pid_str() local
174 pid = strtol(pos->s, NULL, 10); in thread_map__new_by_pid_str()
[all …]
|
| /linux/tools/testing/selftests/cgroup/lib/ |
| H A D | cgroup_util.c | 353 int pid = strtol(ptr, &ptr, 10); in cg_killall() local
355 if (pid == 0) in cg_killall()
361 if (kill(pid, SIGKILL)) in cg_killall()
388 int cg_enter(const char *cgroup, int pid) in cg_enter() argument
392 snprintf(pidbuf, sizeof(pidbuf), "%d", pid); in cg_enter()
410 int pid, retcode; in cg_run() local
412 pid = fork(); in cg_run()
413 if (pid < 0) { in cg_run()
414 return pid; in cg_run()
415 } else if (pid == 0) { in cg_run()
[all …]
|
| /linux/tools/testing/selftests/namespaces/ |
| H A D | nsid_test.c | 82 pid_t pid; in TEST_F()
95 pid = fork(); in TEST_F()
96 ASSERT_GE(pid, 0); in TEST_F()
98 if (pid == 0) { in TEST_F()
123 self->child_pid = pid; in TEST_F()
142 snprintf(path, sizeof(path), "/proc/%d/ns/mnt", pid); in TEST_F()
188 pid_t pid; in TEST_F()
201 pid = fork(); in TEST_F()
202 ASSERT_GE(pid, 0); in TEST_F()
204 if (pid in TEST_F()
72 pid_t pid; TEST_F() local
178 pid_t pid; TEST_F() local
284 pid_t pid; TEST_F() local
390 pid_t pid; TEST_F() local
496 pid_t pid; TEST_F() local
604 pid_t pid; TEST_F() local
729 pid_t pid; TEST_F() local
871 pid_t pid; TEST_F() local
[all...] |