| /kernel/linux/linux-6.6/tools/perf/Documentation/ |
| D | perf-probe.txt | 1 perf-probe(1)
6 perf-probe - Define new dynamic tracepoints
11 'perf probe' [options] --add='PROBE' [...]
13 'perf probe' [options] PROBE
15 'perf probe' [options] --del='[GROUP:]EVENT' [...]
17 'perf probe' --list[=[GROUP:]EVENT]
19 'perf probe' [options] --line='LINE'
21 'perf probe' [options] --vars='PROBEPOINT'
23 'perf probe' [options] --funcs
25 'perf probe' [options] --definition='PROBE' [...]
[all …]
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| /kernel/linux/linux-5.10/tools/perf/Documentation/ |
| D | perf-probe.txt | 1 perf-probe(1)
6 perf-probe - Define new dynamic tracepoints
11 'perf probe' [options] --add='PROBE' [...]
13 'perf probe' [options] PROBE
15 'perf probe' [options] --del='[GROUP:]EVENT' [...]
17 'perf probe' --list[=[GROUP:]EVENT]
19 'perf probe' [options] --line='LINE'
21 'perf probe' [options] --vars='PROBEPOINT'
23 'perf probe' [options] --funcs
25 'perf probe' [options] --definition='PROBE' [...]
[all …]
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| /kernel/linux/linux-6.6/Documentation/trace/ |
| D | kprobes.rst | 16 6. Probe Overhead
38 any instruction in the kernel. A return probe fires when a specified
45 the probe is to be inserted and what handler is to be called when
46 the probe is hit.
87 Since kprobes can probe into a running kernel code, it can change the
107 How Does a Return Probe Work?
112 probe is hit, Kprobes saves a copy of the return address, and replaces
118 passes to the trampoline and that probe is hit. Kprobes' trampoline
138 zero when the return probe is registered, and is incremented every
140 object available for establishing the return probe.
[all …]
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| D | kprobetrace.rst | 10 this is based on kprobes (kprobe and kretprobe). So it can probe wherever
11 kprobes can probe (this means, all functions except those with
19 current_tracer. Instead of that, add probe points via
31 p[:[GRP/][EVENT]] [MOD:]SYM[+offs]|MEMADDR [FETCHARGS] : Set a probe
32 r[MAXACTIVE][:[GRP/][EVENT]] [MOD:]SYM[+0] [FETCHARGS] : Set a return probe
33 p[:[GRP/][EVENT]] [MOD:]SYM[+0]%return [FETCHARGS] : Set a return probe
34 -:[GRP/][EVENT] : Clear a probe
40 SYM[+offs] : Symbol+offset where the probe is inserted.
42 MEMADDR : Address where the probe is inserted.
47 FETCHARGS : Arguments. Each probe can have up to 128 args.
[all …]
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| D | tracepoints.rst | 10 connect probe functions to them and provides some examples of probe
16 A tracepoint placed in code provides a hook to call a function (probe)
17 that you can provide at runtime. A tracepoint can be "on" (a probe is
18 connected to it) or "off" (no probe is attached). When a tracepoint is
93 Connecting a function (probe) to a tracepoint is done by providing a
94 probe (function to call) for the specific tracepoint through
95 register_trace_subsys_eventname(). Removing a probe is done through
96 unregister_trace_subsys_eventname(); it will remove the probe.
100 the probe. This, and the fact that preemption is disabled around the
101 probe call, make sure that probe removal and module unload are safe.
[all …]
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| /kernel/linux/linux-5.10/Documentation/trace/ |
| D | kprobes.rst | 16 6. Probe Overhead
38 any instruction in the kernel. A return probe fires when a specified
45 the probe is to be inserted and what handler is to be called when
46 the probe is hit.
87 Since kprobes can probe into a running kernel code, it can change the
107 How Does a Return Probe Work?
112 probe is hit, Kprobes saves a copy of the return address, and replaces
118 passes to the trampoline and that probe is hit. Kprobes' trampoline
139 zero when the return probe is registered, and is incremented every
141 object available for establishing the return probe.
[all …]
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| D | kprobetrace.rst | 10 this is based on kprobes (kprobe and kretprobe). So it can probe wherever
11 kprobes can probe (this means, all functions except those with
19 current_tracer. Instead of that, add probe points via
31 p[:[GRP/]EVENT] [MOD:]SYM[+offs]|MEMADDR [FETCHARGS] : Set a probe
32 r[MAXACTIVE][:[GRP/]EVENT] [MOD:]SYM[+0] [FETCHARGS] : Set a return probe
33 p:[GRP/]EVENT] [MOD:]SYM[+0]%return [FETCHARGS] : Set a return probe
34 -:[GRP/]EVENT : Clear a probe
40 SYM[+offs] : Symbol+offset where the probe is inserted.
42 MEMADDR : Address where the probe is inserted.
47 FETCHARGS : Arguments. Each probe can have up to 128 args.
[all …]
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| D | tracepoints.rst | 10 connect probe functions to them and provides some examples of probe
16 A tracepoint placed in code provides a hook to call a function (probe)
17 that you can provide at runtime. A tracepoint can be "on" (a probe is
18 connected to it) or "off" (no probe is attached). When a tracepoint is
93 Connecting a function (probe) to a tracepoint is done by providing a
94 probe (function to call) for the specific tracepoint through
95 register_trace_subsys_eventname(). Removing a probe is done through
96 unregister_trace_subsys_eventname(); it will remove the probe.
100 the probe. This, and the fact that preemption is disabled around the
101 probe call, make sure that probe removal and module unload are safe.
[all …]
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| /kernel/linux/linux-6.6/fs/afs/ |
| D | fs_probe.c | 19 * Start the probe polling timer. We have to supply it with an inc on the
43 bool responded = server->probe.responded; in afs_finished_fs_probe()
59 * Handle the completion of a probe.
72 * Handle inability to send a probe due to ENOMEM when trying to allocate a
87 server->probe.local_failure = true; in afs_fs_probe_not_done()
88 if (server->probe.error == 0) in afs_fs_probe_not_done()
89 server->probe.error = -ENOMEM; in afs_fs_probe_not_done()
115 server->probe.error = 0; in afs_fileserver_probe_result()
118 if (!server->probe.responded) { in afs_fileserver_probe_result()
119 server->probe.abort_code = call->abort_code; in afs_fileserver_probe_result()
[all …]
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| D | vl_probe.c | 20 if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) { in afs_finished_vl_probe()
30 * Handle the completion of a probe RPC call.
63 server->probe.error = 0; in afs_vlserver_probe_result()
66 if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) { in afs_vlserver_probe_result()
67 server->probe.abort_code = call->abort_code; in afs_vlserver_probe_result()
68 server->probe.error = ret; in afs_vlserver_probe_result()
76 server->probe.flags |= AFS_VLSERVER_PROBE_LOCAL_FAILURE; in afs_vlserver_probe_result()
77 if (server->probe.error == 0) in afs_vlserver_probe_result()
78 server->probe.error = ret; in afs_vlserver_probe_result()
93 if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED) && in afs_vlserver_probe_result()
[all …]
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| /kernel/linux/linux-5.10/fs/afs/ |
| D | fs_probe.c | 18 * Start the probe polling timer. We have to supply it with an inc on the
42 bool responded = server->probe.responded; in afs_finished_fs_probe()
58 * Handle the completion of a probe.
71 * Handle inability to send a probe due to ENOMEM when trying to allocate a
86 server->probe.local_failure = true; in afs_fs_probe_not_done()
87 if (server->probe.error == 0) in afs_fs_probe_not_done()
88 server->probe.error = -ENOMEM; in afs_fs_probe_not_done()
114 server->probe.error = 0; in afs_fileserver_probe_result()
117 if (!server->probe.responded) { in afs_fileserver_probe_result()
118 server->probe.abort_code = call->abort_code; in afs_fileserver_probe_result()
[all …]
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| D | vl_probe.c | 20 if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) { in afs_finished_vl_probe()
30 * Handle the completion of a probe RPC call.
63 server->probe.error = 0; in afs_vlserver_probe_result()
66 if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED)) { in afs_vlserver_probe_result()
67 server->probe.abort_code = call->abort_code; in afs_vlserver_probe_result()
68 server->probe.error = ret; in afs_vlserver_probe_result()
76 server->probe.flags |= AFS_VLSERVER_PROBE_LOCAL_FAILURE; in afs_vlserver_probe_result()
77 if (server->probe.error == 0) in afs_vlserver_probe_result()
78 server->probe.error = ret; in afs_vlserver_probe_result()
93 if (!(server->probe.flags & AFS_VLSERVER_PROBE_RESPONDED) && in afs_vlserver_probe_result()
[all …]
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| /kernel/linux/linux-5.10/drivers/base/ |
| D | map.c | 20 struct probe { struct
21 struct probe *next; argument
33 struct module *module, kobj_probe_t *probe, in kobj_map() argument
39 struct probe *p; in kobj_map()
44 p = kmalloc_array(n, sizeof(struct probe), GFP_KERNEL); in kobj_map()
50 p->get = probe; in kobj_map()
58 struct probe **s = &domain->probes[index % 255]; in kobj_map()
73 struct probe *found = NULL; in kobj_unmap()
80 struct probe **s; in kobj_unmap()
82 struct probe *p = *s; in kobj_unmap()
[all …]
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| /kernel/linux/linux-6.6/include/linux/hck/ |
| D | lite_vendor_hooks.h | 48 #define REGISTER_HCK_LITE_HOOK(name, probe) \ argument
49 extern typeof(lvh_probe_##name) (probe); \
51 if (register_lvh_##name(probe)) \
55 #define REGISTER_HCK_LITE_DATA_HOOK(name, probe, data) \ argument
56 extern typeof(lvh_probe_data_##name) (probe); \
58 if (register_lvh_data_##name(probe, data)) \
81 __register_lvh_##name(void *probe, void *data, bool has_data) \
89 if (funcs->func != probe || funcs->data != data) \
100 funcs->func = probe; \
103 mod = __module_address((uintptr_t)probe); \
[all …]
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| /kernel/linux/linux-5.10/include/linux/hck/ |
| D | lite_vendor_hooks.h | 48 #define REGISTER_HCK_LITE_HOOK(name, probe) \ argument
49 extern typeof(lvh_probe_##name) (probe); \
51 if (register_lvh_##name(probe)) \
55 #define REGISTER_HCK_LITE_DATA_HOOK(name, probe, data) \ argument
56 extern typeof(lvh_probe_data_##name) (probe); \
58 if (register_lvh_data_##name(probe, data)) \
81 __register_lvh_##name(void *probe, void *data, bool has_data) \
89 if (funcs->func != probe || funcs->data != data) \
100 funcs->func = probe; \
103 mod = __module_address((uintptr_t)probe); \
[all …]
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| /kernel/linux/linux-6.6/drivers/base/ |
| D | map.c | 20 struct probe { struct
21 struct probe *next; argument
33 struct module *module, kobj_probe_t *probe, in kobj_map() argument
39 struct probe *p; in kobj_map()
44 p = kmalloc_array(n, sizeof(struct probe), GFP_KERNEL); in kobj_map()
50 p->get = probe; in kobj_map()
58 struct probe **s = &domain->probes[index % 255]; in kobj_map()
73 struct probe *found = NULL; in kobj_unmap()
80 struct probe **s; in kobj_unmap()
82 struct probe *p = *s; in kobj_unmap()
[all …]
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| /kernel/linux/linux-5.10/drivers/net/ethernet/sfc/ |
| D | ef100.c | 73 netif_dbg(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
78 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
85 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
127 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
137 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
148 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
166 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
196 netif_dbg(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
201 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
210 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
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| /kernel/linux/linux-6.6/drivers/net/ethernet/sfc/ |
| D | ef100.c | 73 netif_dbg(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
78 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
85 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_ef100_entry()
127 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
137 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
148 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
166 netif_err(efx, probe, efx->net_dev, in ef100_pci_parse_continue_entry()
196 netif_dbg(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
201 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
210 netif_err(efx, probe, efx->net_dev, in ef100_pci_walk_xilinx_table()
[all …]
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| /kernel/linux/linux-5.10/tools/perf/tests/shell/lib/ |
| D | probe_vfs_getname.sh | 3 perf probe -l 2>&1 | grep -q probe:vfs_getname
8 perf probe -q -d probe:vfs_getname*
15 …line=$(perf probe -L getname_flags 2>&1 | egrep 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[…
16 perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \
17 perf probe $verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring"
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| /kernel/linux/linux-5.10/tools/testing/selftests/ftrace/test.d/direct/ |
| D | kprobe-direct.tc | 44 # probe -> direct -> no direct > no probe
50 # probe -> direct -> no probe > no direct
56 # direct -> probe -> no probe > no direct
62 # direct -> probe -> no direct > no noprobe
|
| /kernel/linux/linux-6.6/tools/testing/selftests/ftrace/test.d/direct/ |
| D | kprobe-direct.tc | 44 # probe -> direct -> no direct > no probe
50 # probe -> direct -> no probe > no direct
56 # direct -> probe -> no probe > no direct
62 # direct -> probe -> no direct > no noprobe
|
| /kernel/linux/linux-6.6/tools/testing/selftests/bpf/ |
| D | sdt.h | 1 /* <sys/sdt.h> - Systemtap static probe definition macros.
244 Without that assembler support, some combinations of probe placements
404 number of probe arguments is not known until compile time. Since
406 pre-#define SDT_USE_VARIADIC to enable this type of probe.
430 contain the actual assembly code around the probe site.
438 emits the assembly code for "before\nafter", with a probe in between.
439 The probe arguments are the %eax register, and the value of the memory
444 In a GNU C extended asm statement, the probe arguments can be specified
446 macro STAP_PROBE_ASM_OPERANDS gives the C values of these probe arguments,
460 but the probe site is right between "someinsn" and "otherinsn".
[all …]
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| D | uprobe_multi.c | 57 #define PROBE STAP_PROBE(test, usdt); macro
59 #define PROBE10 PROBE PROBE PROBE PROBE PROBE \
60 PROBE PROBE PROBE PROBE PROBE
|
| /kernel/linux/linux-6.6/tools/perf/tests/shell/lib/ |
| D | probe_vfs_getname.sh | 4 perf probe -l 2>&1 | grep -q probe:vfs_getname
9 perf probe -q -d probe:vfs_getname*
16 …line=$(perf probe -L getname_flags 2>&1 | grep -E 'result.*=.*filename;' | sed -r 's/[[:space:]]+(…
17 perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \
18 perf probe $add_probe_verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring"
|
| /kernel/linux/linux-6.6/kernel/ |
| D | tracepoint.c | 176 printk(KERN_DEBUG "Probe %d : %p\n", i, funcs[i].func); in debug_print_probes()
184 int iter_probes; /* Iterate over old probe array. */ in func_add()
204 /* + 2 : one for new probe, one for NULL func */ in func_add()
255 * If probe is NULL, then nr_probes = nr_del = 0, and then the in func_remove()
321 * Add the probe function to a tracepoint.
346 * that the new probe callbacks array is consistent before setting in tracepoint_add_func()
391 * Remove a probe function from a tracepoint.
463 * tracepoint_probe_register_prio_may_exist - Connect a probe to a tracepoint with priority
465 * @probe: probe handler
472 int tracepoint_probe_register_prio_may_exist(struct tracepoint *tp, void *probe, in tracepoint_probe_register_prio_may_exist() argument
[all …]
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