| /Linux-v4.19/drivers/net/ethernet/mellanox/mlx5/core/diag/ |
| D | fw_tracer.c | 36 static int mlx5_query_mtrc_caps(struct mlx5_fw_tracer *tracer) in mlx5_query_mtrc_caps() argument
38 u32 *string_db_base_address_out = tracer->str_db.base_address_out; in mlx5_query_mtrc_caps()
39 u32 *string_db_size_out = tracer->str_db.size_out; in mlx5_query_mtrc_caps()
40 struct mlx5_core_dev *dev = tracer->dev; in mlx5_query_mtrc_caps()
59 tracer->trc_ver = MLX5_GET(mtrc_cap, out, trc_ver); in mlx5_query_mtrc_caps()
60 tracer->str_db.first_string_trace = in mlx5_query_mtrc_caps()
62 tracer->str_db.num_string_trace = in mlx5_query_mtrc_caps()
64 tracer->str_db.num_string_db = MLX5_GET(mtrc_cap, out, num_string_db); in mlx5_query_mtrc_caps()
65 tracer->owner = !!MLX5_GET(mtrc_cap, out, trace_owner); in mlx5_query_mtrc_caps()
67 for (i = 0; i < tracer->str_db.num_string_db; i++) { in mlx5_query_mtrc_caps()
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| D | fw_tracer_tracepoint.h | 44 TP_PROTO(const struct mlx5_fw_tracer *tracer, u64 trace_timestamp,
47 TP_ARGS(tracer, trace_timestamp, lost, event_id, msg),
50 __string(dev_name, dev_name(&tracer->dev->pdev->dev))
58 __assign_str(dev_name, dev_name(&tracer->dev->pdev->dev));
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| D | fw_tracer.h | 170 int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer);
171 void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer);
172 void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer);
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| /Linux-v4.19/security/apparmor/ |
| D | ipc.c | 83 struct aa_label *tracer, u32 request, in profile_tracee_perm() argument
86 if (profile_unconfined(tracee) || unconfined(tracer) || in profile_tracee_perm()
90 return profile_ptrace_perm(tracee, tracer, request, sa); in profile_tracee_perm()
93 static int profile_tracer_perm(struct aa_profile *tracer, in profile_tracer_perm() argument
97 if (profile_unconfined(tracer)) in profile_tracer_perm()
100 if (PROFILE_MEDIATES(tracer, AA_CLASS_PTRACE)) in profile_tracer_perm()
101 return profile_ptrace_perm(tracer, tracee, request, sa); in profile_tracer_perm()
104 if (&tracer->label == tracee) in profile_tracer_perm()
107 aad(sa)->label = &tracer->label; in profile_tracer_perm()
110 aad(sa)->error = aa_capable(&tracer->label, CAP_SYS_PTRACE, 1); in profile_tracer_perm()
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| D | lsm.c | 114 struct aa_label *tracer, *tracee; in apparmor_ptrace_access_check() local
117 tracer = begin_current_label_crit_section(); in apparmor_ptrace_access_check()
119 error = aa_may_ptrace(tracer, tracee, in apparmor_ptrace_access_check()
123 end_current_label_crit_section(tracer); in apparmor_ptrace_access_check()
130 struct aa_label *tracer, *tracee; in apparmor_ptrace_traceme() local
134 tracer = aa_get_task_label(parent); in apparmor_ptrace_traceme()
135 error = aa_may_ptrace(tracer, tracee, AA_PTRACE_TRACE); in apparmor_ptrace_traceme()
136 aa_put_label(tracer); in apparmor_ptrace_traceme()
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| /Linux-v4.19/security/yama/ |
| D | yama_lsm.c | 35 struct task_struct *tracer; member
145 static int yama_ptracer_add(struct task_struct *tracer, in yama_ptracer_add() argument
155 added->tracer = tracer; in yama_ptracer_add()
183 static void yama_ptracer_del(struct task_struct *tracer, in yama_ptracer_del() argument
194 (tracer && relation->tracer == tracer)) { in yama_ptracer_del()
251 struct task_struct *tracer; in yama_task_prctl() local
253 tracer = find_get_task_by_vpid(arg2); in yama_task_prctl()
254 if (!tracer) { in yama_task_prctl()
257 rc = yama_ptracer_add(tracer, myself); in yama_task_prctl()
258 put_task_struct(tracer); in yama_task_prctl()
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| /Linux-v4.19/kernel/trace/ |
| D | trace.h | 174 struct tracer;
188 struct tracer *tracer; member
250 struct tracer *current_trace;
381 struct tracer *trace;
415 struct tracer { struct
436 int (*selftest)(struct tracer *trace, argument
447 struct tracer *next; argument
589 int tracer_init(struct tracer *t, struct trace_array *tr);
656 int register_tracer(struct tracer *type);
734 extern int trace_selftest_startup_function(struct tracer *trace,
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| D | trace_selftest.c | 97 static inline void warn_failed_init_tracer(struct tracer *trace, int init_ret) in warn_failed_init_tracer()
325 static int trace_selftest_startup_dynamic_tracing(struct tracer *trace, in trace_selftest_startup_dynamic_tracing()
653 trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_function()
749 trace_selftest_startup_function_graph(struct tracer *trace, in trace_selftest_startup_function_graph()
814 trace_selftest_startup_irqsoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_irqsoff()
863 trace_selftest_startup_preemptoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_preemptoff()
925 trace_selftest_startup_preemptirqsoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_preemptirqsoff()
1026 trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_nop()
1078 trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_wakeup()
1156 trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_branch()
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| D | trace_irqsoff.c | 518 struct tracer *tracer = tr->current_trace; in irqsoff_flag_changed() local
528 return trace_keep_overwrite(tracer, mask, set); in irqsoff_flag_changed()
637 static struct tracer irqsoff_tracer __read_mostly =
687 static struct tracer preemptoff_tracer __read_mostly =
722 static struct tracer preemptirqsoff_tracer __read_mostly =
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| D | Kconfig | 99 # All tracer options should select GENERIC_TRACER. For those options that are
100 # enabled by all tracers (context switch and event tracer) they select TRACING.
101 # This allows those options to appear when no other tracer is selected. But the
153 sequence is then dynamically patched into a tracer call when
244 This tracer tracks the latency of the highest priority task
251 This tracer, when enabled will create one or more kernel threads,
256 time, this tracer will detect it. This is useful for testing
273 When the tracer is not running, it has no affect on the system,
275 periodically non responsive. Do not run this tracer on a
278 To enable this tracer, echo in "hwlat" into the current_tracer
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| D | trace_sched_wakeup.c | 188 struct tracer *tracer = tr->current_trace; in wakeup_flag_changed() local
198 return trace_keep_overwrite(tracer, mask, set); in wakeup_flag_changed()
750 static struct tracer wakeup_tracer __read_mostly =
770 static struct tracer wakeup_rt_tracer __read_mostly =
790 static struct tracer wakeup_dl_tracer __read_mostly =
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| D | trace.c | 622 static struct tracer *trace_types __read_mostly;
899 struct tracer *tracer = tr->current_trace; in tracing_snapshot_instance() local
916 if (tracer->use_max_tr) { in tracing_snapshot_instance()
1449 struct tracer *type;
1454 static int save_selftest(struct tracer *type) in save_selftest()
1467 static int run_tracer_selftest(struct tracer *type) in run_tracer_selftest()
1470 struct tracer *saved_tracer = tr->current_trace; in run_tracer_selftest()
1537 struct tracer *t, **last; in init_trace_selftests()
1575 static inline int run_tracer_selftest(struct tracer *type) in run_tracer_selftest()
1581 static void add_tracer_options(struct trace_array *tr, struct tracer *t);
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| D | trace_nop.c | 88 struct tracer nop_trace __read_mostly =
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| /Linux-v4.19/Documentation/acpi/ |
| D | method-tracing.txt | 61 B. AML tracer
84 that, as the "AML tracer" logs are implemented via ACPI_DEBUG_PRINT()
86 "AML tracer" logs.
88 The following command examples illustrate the usage of the "AML tracer"
90 a. Filter out the method start/stop "AML tracer" logs when control
96 b. Filter out the method start/stop "AML tracer" when the specified
103 c. Filter out the method start/stop "AML tracer" logs when the specified
110 d. Filter out the method/opcode start/stop "AML tracer" when the
117 e. Filter out the method/opcode start/stop "AML tracer" when the
143 used to match all "AML tracer" logs.
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| /Linux-v4.19/Documentation/trace/ |
| D | ftrace.rst | 21 Ftrace is an internal tracer designed to help out developers and
26 Although ftrace is typically considered the function tracer, it
97 This is used to set or display the current tracer
111 the tracer or 1 to enable it. Note, this only disables
140 "trace" file is static, and if the tracer is not
149 files. Options also exist to modify how a tracer
245 Have the function tracer only trace the threads whose PID are
251 traced by the function tracer as well. This option will also
268 tracer to only trace these functions and the functions that
326 tracer, or if configured, the function graph tracer. It will
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| D | hwlat_detector.rst | 8 The tracer hwlat_detector is a special purpose tracer that is used to
56 (0.5s). If tracing_thresh contains zero when hwlat tracer is enabled, it will
65 back to zero if another tracer is loaded. Note, the last value in
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| D | uprobetracer.rst | 2 Uprobe-tracer: Uprobe-based Event Tracing
13 Similar to the kprobe-event tracer, this doesn't need to be activated via
18 However unlike kprobe-event tracer, the uprobe event interface expects the
54 Several types are supported for fetch-args. Uprobe tracer will access memory
162 # tracer: nop
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| /Linux-v4.19/tools/perf/ |
| D | builtin-ftrace.c | 33 const char *tracer; member
330 if (write_tracing_file("current_tracer", ftrace->tracer) < 0) { in __cmd_ftrace()
331 pr_err("failed to set current_tracer to %s\n", ftrace->tracer); in __cmd_ftrace()
406 ftrace->tracer = value; in perf_ftrace_config()
444 .tracer = DEFAULT_TRACER, in cmd_ftrace()
453 OPT_STRING('t', "tracer", &ftrace.tracer, "tracer", in cmd_ftrace()
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| /Linux-v4.19/tools/perf/Documentation/ |
| D | perf-ftrace.txt | 26 --tracer=::
68 This is useful for the function_graph tracer only and enables
76 Like -G option, this is useful for the function_graph tracer only
83 Set max depth for function graph tracer to follow
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| /Linux-v4.19/Documentation/userspace-api/ |
| D | seccomp_filter.rst | 127 notify a ``ptrace()``-based tracer prior to executing the system
128 call. If there is no tracer present, ``-ENOSYS`` is returned to
131 A tracer will be notified if it requests ``PTRACE_O_TRACESECCOM``P
132 using ``ptrace(PTRACE_SETOPTIONS)``. The tracer will be notified
134 the BPF program return value will be available to the tracer
137 The tracer can skip the system call by changing the syscall number
138 to -1. Alternatively, the tracer can change the system call
140 the tracer asks to skip the system call, then the system call will
141 appear to return the value that the tracer puts in the return value
144 The seccomp check will not be run again after the tracer is
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| /Linux-v4.19/tools/testing/selftests/ftrace/test.d/ |
| D | functions | 14 reset_tracer() { # reset the current tracer
85 # As the initial state, ftrace will be set to nop tracer,
93 echo > set_event_pid # event tracer is always on
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| /Linux-v4.19/security/apparmor/include/ |
| D | ipc.h | 36 int aa_may_ptrace(struct aa_label *tracer, struct aa_label *tracee,
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| /Linux-v4.19/kernel/ |
| D | ptrace.c | 504 static bool __ptrace_detach(struct task_struct *tracer, struct task_struct *p) in __ptrace_detach() argument
516 if (!same_thread_group(p->real_parent, tracer)) in __ptrace_detach()
518 else if (ignoring_children(tracer->sighand)) { in __ptrace_detach()
519 __wake_up_parent(p, tracer); in __ptrace_detach()
560 void exit_ptrace(struct task_struct *tracer, struct list_head *dead) in exit_ptrace() argument
564 list_for_each_entry_safe(p, n, &tracer->ptraced, ptrace_entry) { in exit_ptrace()
568 if (__ptrace_detach(tracer, p)) in exit_ptrace()
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| /Linux-v4.19/tools/testing/selftests/seccomp/ |
| D | seccomp_bpf.c | 1412 pid_t tracer) in teardown_trace_fixture() argument
1414 if (tracer) { in teardown_trace_fixture()
1420 ASSERT_EQ(0, kill(tracer, SIGUSR1)); in teardown_trace_fixture()
1421 ASSERT_EQ(tracer, waitpid(tracer, &status, 0)); in teardown_trace_fixture()
1456 pid_t tracer; in FIXTURE_DATA() local
1482 self->tracer = setup_trace_fixture(_metadata, tracer_poke, in FIXTURE_SETUP()
1488 teardown_trace_fixture(_metadata, self->tracer); in FIXTURE_TEARDOWN()
1739 pid_t tracer, mytid, mypid, parent; in FIXTURE_DATA() local
1778 self->tracer = setup_trace_fixture(_metadata, tracer_syscall, NULL, in FIXTURE_SETUP()
1784 teardown_trace_fixture(_metadata, self->tracer); in FIXTURE_TEARDOWN()
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| /Linux-v4.19/arch/arc/kernel/ |
| D | entry.S | 177 ; clobbered them (since they are in scratch regs). The tracer could also
316 ; tracer might call PEEKUSR(CALLEE reg)
328 ; a tracing signal, tracer could have done a POKEUSR(CALLEE reg)
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