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/linux/drivers/net/ethernet/mellanox/mlx5/core/diag/
A Dfw_tracer.c841 struct mlx5_fw_tracer *tracer = dev->tracer; in mlx5_fw_tracer_trigger_core_dump_general() local
855 queue_work(tracer->work_queue, &tracer->handle_traces_work); in mlx5_fw_tracer_trigger_core_dump_general()
940 tracer = kvzalloc(sizeof(*tracer), GFP_KERNEL); in mlx5_fw_tracer_create()
941 if (!tracer) in mlx5_fw_tracer_create()
979 return tracer; in mlx5_fw_tracer_create()
987 kvfree(tracer); in mlx5_fw_tracer_create()
1047 mlx5_eq_notifier_unregister(tracer->dev, &tracer->nb); in mlx5_fw_tracer_cleanup()
1054 mlx5_core_destroy_mkey(tracer->dev, tracer->buff.mkey); in mlx5_fw_tracer_cleanup()
1055 mlx5_core_dealloc_pd(tracer->dev, tracer->buff.pdn); in mlx5_fw_tracer_cleanup()
1073 kvfree(tracer); in mlx5_fw_tracer_destroy()
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A Dfw_tracer_tracepoint.h44 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->device))
59 dev_name(tracer->dev->device));
A Dfw_tracer.h188 int mlx5_fw_tracer_init(struct mlx5_fw_tracer *tracer);
189 void mlx5_fw_tracer_cleanup(struct mlx5_fw_tracer *tracer);
190 void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer);
192 int mlx5_fw_tracer_get_saved_traces_objects(struct mlx5_fw_tracer *tracer,
194 int mlx5_fw_tracer_reload(struct mlx5_fw_tracer *tracer);
/linux/security/apparmor/
A Dipc.c77 struct aa_label *tracer, u32 request, in profile_tracee_perm() argument
80 if (profile_unconfined(tracee) || unconfined(tracer) || in profile_tracee_perm()
84 return profile_ptrace_perm(tracee, tracer, request, sa); in profile_tracee_perm()
87 static int profile_tracer_perm(struct aa_profile *tracer, in profile_tracer_perm() argument
91 if (profile_unconfined(tracer)) in profile_tracer_perm()
94 if (PROFILE_MEDIATES(tracer, AA_CLASS_PTRACE)) in profile_tracer_perm()
95 return profile_ptrace_perm(tracer, tracee, request, sa); in profile_tracer_perm()
98 if (&tracer->label == tracee) in profile_tracer_perm()
101 aad(sa)->label = &tracer->label; in profile_tracer_perm()
125 return xcheck_labels(tracer, tracee, profile, in aa_may_ptrace()
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/linux/security/yama/
A Dyama_lsm.c31 struct task_struct *tracer; member
141 static int yama_ptracer_add(struct task_struct *tracer, in yama_ptracer_add() argument
151 added->tracer = tracer; in yama_ptracer_add()
179 static void yama_ptracer_del(struct task_struct *tracer, in yama_ptracer_del() argument
190 (tracer && relation->tracer == tracer)) { in yama_ptracer_del()
247 struct task_struct *tracer; in yama_task_prctl() local
249 tracer = find_get_task_by_vpid(arg2); in yama_task_prctl()
250 if (!tracer) { in yama_task_prctl()
253 rc = yama_ptracer_add(tracer, myself); in yama_task_prctl()
254 put_task_struct(tracer); in yama_task_prctl()
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/linux/tools/testing/selftests/ftrace/test.d/direct/
A Dftrace-direct.tc19 tracer=$1
22 echo $tracer > current_tracer
28 echo $tracer > current_tracer
35 echo $tracer > current_tracer
41 echo $tracer > current_tracer
/linux/tools/perf/Documentation/
A Dperf-ftrace.txt26 --tracer=::
74 Select function tracer and set function filter on the given
82 Select function tracer and do not trace functions given by the
89 call-graph - Display kernel stack trace for function tracer.
90 irq-info - Display irq context info for function tracer.
94 Select function_graph tracer and set graph filter on the given
102 Select function_graph tracer and set graph notrace filter on the
104 for the function_graph tracer only and disables tracing for function
111 nosleep-time - Measure on-CPU time only for function_graph tracer.
115 depth=<n> - Set max depth for function graph tracer to follow.
/linux/samples/seccomp/
A Duser-trap.c204 pid_t worker = 0 , tracer = 0; in main() local
282 tracer = fork(); in main()
283 if (tracer < 0) { in main()
288 if (tracer == 0) { in main()
366 if (tracer > 0) in main()
367 kill(tracer, SIGKILL); in main()
/linux/Documentation/firmware-guide/acpi/
A Dmethod-tracing.rst77 AML tracer
102 that, as the "AML tracer" logs are implemented via ACPI_DEBUG_PRINT()
104 "AML tracer" logs.
106 The following command examples illustrate the usage of the "AML tracer"
109 a. Filter out the method start/stop "AML tracer" logs when control
117 b. Filter out the method start/stop "AML tracer" when the specified
126 c. Filter out the method start/stop "AML tracer" logs when the specified
135 d. Filter out the method/opcode start/stop "AML tracer" when the
144 e. Filter out the method/opcode start/stop "AML tracer" when the
176 used to match all "AML tracer" logs.
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/linux/Documentation/trace/
A Dftrace.rst365 tracer, or if configured, the function graph tracer. It will
736 The block tracer. The tracer used by the blktrace user
1247 tracer along with the currently set tracer. Enabling this
1701 tracer.
2235 Note, when hwlat tracer is finished (another tracer is
2258 This tracer is the function tracer. Enabling the function tracer
2455 This tracer is similar to the function tracer except that it
2976 function tracer and the function-graph-tracer, there are some
3327 # tracer: nop
3344 # tracer: nop
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A Dtimerlat-tracer.rst2 Timerlat tracer
5 The timerlat tracer aims to help the preemptive kernel developers to
7 the tracer sets a periodic timer that wakes up a thread. The thread then
26 # tracer: timerlat
46 The tracer creates a per-cpu kernel thread with real-time priority that
65 The timerlat tracer is built on top of osnoise tracer.
110 the values reported by the timerlat tracer (timerlat_latency)
113 The art below illustrates a CPU timeline and how the timerlat tracer
A Dosnoise-tracer.rst28 The osnoise tracer leverages the hwlat_detector by running a
33 osnoise tracer also saves an interference counter for each source of
39 source of interference. At the end of the period, the osnoise tracer
57 # tracer: osnoise
77 tracer prints a message at the end of each period for each CPU that is
83 by the osnoise tracer during the associated runtime.
98 The tracer has a set of options inside the osnoise directory, they are:
116 In addition to the tracer, a set of tracepoints were added to
A Dindex.rst26 osnoise-tracer
27 timerlat-tracer
A Dhwlat_detector.rst8 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
A Dboottime-trace.rst47 Set MAX_DEPTH to maximum depth of fgraph tracer.
84 ftrace.[instance.INSTANCE.]tracer = TRACER
85 Set TRACER to current tracer on boot. (e.g. function)
248 several tracers for different purpose at once. For example, one tracer
254 tracer = "function"
258 tracer = "function"
272 tracer = function_graph
/linux/kernel/trace/
A Dtrace.h178 struct tracer;
192 struct tracer *tracer; member
347 struct tracer *current_trace;
492 struct tracer *trace;
526 struct tracer { struct
547 int (*selftest)(struct tracer *trace, argument
558 struct tracer *next; argument
576 int tracer_init(struct tracer *t, struct trace_array *tr); argument
649 int register_tracer(struct tracer *type);
1247 extern struct tracer nop_trace;
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A DKconfig253 then it will not have any overhead while the stack tracer
259 The stack tracer can also be enabled or disabled via the
356 periodically non responsive. Do not run this tracer on a
364 bool "OS Noise tracer"
398 bool "Timerlat tracer"
419 The tracer is build on top of osnoise tracer, and the osnoise:
443 This tracer hooks to various trace points in the kernel,
453 Basic tracer to catch the syscall entry and exit events.
518 This tracer profiles all likely and unlikely macros
530 This tracer profiles all branch conditions. Every if ()
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A Dtrace_selftest.c97 static inline void warn_failed_init_tracer(struct tracer *trace, int init_ret) in warn_failed_init_tracer()
356 static int trace_selftest_startup_dynamic_tracing(struct tracer *trace, in trace_selftest_startup_dynamic_tracing()
691 trace_selftest_startup_function(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_function()
798 trace_selftest_startup_function_graph(struct tracer *trace, in trace_selftest_startup_function_graph()
915 trace_selftest_startup_irqsoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_irqsoff()
964 trace_selftest_startup_preemptoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_preemptoff()
1026 trace_selftest_startup_preemptirqsoff(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_preemptirqsoff()
1127 trace_selftest_startup_nop(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_nop()
1179 trace_selftest_startup_wakeup(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_wakeup()
1257 trace_selftest_startup_branch(struct tracer *trace, struct trace_array *tr) in trace_selftest_startup_branch()
A Dtrace_irqsoff.c513 struct tracer *tracer = tr->current_trace; in irqsoff_flag_changed() local
523 return trace_keep_overwrite(tracer, mask, set); in irqsoff_flag_changed()
634 static struct tracer irqsoff_tracer __read_mostly =
680 static struct tracer preemptoff_tracer __read_mostly =
715 static struct tracer preemptirqsoff_tracer __read_mostly =
A Dtrace_sched_wakeup.c313 struct tracer *tracer = tr->current_trace; in wakeup_flag_changed() local
323 return trace_keep_overwrite(tracer, mask, set); in wakeup_flag_changed()
739 static struct tracer wakeup_tracer __read_mostly =
759 static struct tracer wakeup_rt_tracer __read_mostly =
779 static struct tracer wakeup_dl_tracer __read_mostly =
/linux/tools/perf/
A Dbuiltin-ftrace.c39 const char *tracer; member
611 if (write_tracing_file("current_tracer", ftrace->tracer) < 0) { in __cmd_ftrace()
612 pr_err("failed to set current_tracer to %s\n", ftrace->tracer); in __cmd_ftrace()
708 ftrace->tracer = value; in perf_ftrace_config()
867 ftrace->tracer = "function_graph"; in select_tracer()
869 ftrace->tracer = "function"; in select_tracer()
872 pr_debug("%s tracer is used\n", ftrace->tracer); in select_tracer()
879 .tracer = DEFAULT_TRACER, in cmd_ftrace()
888 OPT_STRING('t', "tracer", &ftrace.tracer, "tracer", in cmd_ftrace()
/linux/tools/testing/ktest/examples/bootconfigs/
A Dtracing.bconf2 tracer = function_graph;
26 tracer = function;
A Dboottrace.bconf35 tracer = "function"
44 tracer = "function"
/linux/Documentation/userspace-api/
A Dseccomp_filter.rst132 notify a ``ptrace()``-based tracer prior to executing the system
133 call. If there is no tracer present, ``-ENOSYS`` is returned to
136 A tracer will be notified if it requests ``PTRACE_O_TRACESECCOMP``
137 using ``ptrace(PTRACE_SETOPTIONS)``. The tracer will be notified
139 the BPF program return value will be available to the tracer
142 The tracer can skip the system call by changing the syscall number
143 to -1. Alternatively, the tracer can change the system call
145 the tracer asks to skip the system call, then the system call will
146 appear to return the value that the tracer puts in the return value
149 The seccomp check will not be run again after the tracer is
[all …]
/linux/tools/testing/selftests/ftrace/test.d/
A Dfunctions13 reset_tracer() { # reset the current tracer
108 # As the initial state, ftrace will be set to nop tracer,
146 t=${i%:tracer}
149 echo "Required tracer $t is not configured."

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