Andrii Nakryiko 5e6a3c1ee6 bpf: make bpf_get_branch_snapshot() architecture-agnostic ... perf_snapshot_branch_stack is set up in an architecture-agnostic way, so there is no reason for BPF subsystem to keep track of which architectures do support LBR or not. E.g., it looks like ARM64 might soon get support for BRBE ([0]), which (with proper integration) should be possible to utilize using this BPF helper. perf_snapshot_branch_stack static call will point to __static_call_return0() by default, which just returns zero, which will lead to -ENOENT, as expected. So no need to guard anything here. [0] https://lore.kernel.org/linux-arm-kernel/20240125094119.2542332-1-anshuman.khandual@arm.com/ Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yonghong.song@linux.dev> Link: https://lore.kernel.org/r/20240404002640.1774210-2-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>		2024-04-04 13:08:01 -07:00
..
rv	tracing/tools: Updates for 6.4	2023-04-28 16:11:26 -07:00
blktrace.c	block: remove more NULL checks after bdev_get_queue()	2023-02-21 09:23:22 -07:00
bpf_trace.c	bpf: make bpf_get_branch_snapshot() architecture-agnostic	2024-04-04 13:08:01 -07:00
bpf_trace.h
error_report-traces.c
fgraph.c	tracing: arm64: Avoid missing-prototype warnings	2023-07-12 12:06:04 -04:00
fprobe.c	fprobe: Fix to allocate entry_data_size buffer with rethook instances	2024-03-01 09:18:24 +09:00
ftrace_internal.h	tracing: arm64: Avoid missing-prototype warnings	2023-07-12 12:06:04 -04:00
ftrace.c	ftrace: Fix most kernel-doc warnings	2024-03-18 10:33:05 -04:00
Kconfig	Probes updates for v6.5:	2023-06-30 10:44:53 -07:00
kprobe_event_gen_test.c	tracing: Fix wrong return in kprobe_event_gen_test.c	2023-03-19 12:20:48 -04:00
Makefile	tracing/probes: Move finding func-proto API and getting func-param API to trace_btf	2023-08-23 09:39:45 +09:00
pid_list.c
pid_list.h
power-traces.c
preemptirq_delay_test.c
rethook.c	rethook: Use __rcu pointer for rethook::handler	2023-12-01 14:53:56 +09:00
ring_buffer_benchmark.c	ring-buffer: Read and write to ring buffers with custom sub buffer size	2023-12-20 07:54:56 -05:00
ring_buffer.c	ring-buffer: Make wake once of ring_buffer_wait() more robust	2024-03-18 10:11:43 -04:00
rpm-traces.c
synth_event_gen_test.c	tracing / synthetic: Disable events after testing in synth_event_gen_test_init()	2023-12-21 10:04:45 -05:00
trace_benchmark.c	tracing: Use div64_u64() instead of do_div()	2024-03-18 10:33:06 -04:00
trace_benchmark.h	tracing: Add numeric delta time to the trace event benchmark	2022-09-26 13:01:09 -04:00
trace_boot.c	tracing: Allow creating instances with specified system events	2023-12-18 23:14:16 -05:00
trace_branch.c
trace_btf.c	tracing/probes: Fix to search structure fields correctly	2024-02-17 21:25:42 +09:00
trace_btf.h	tracing/probes: Add a function to search a member of a struct/union	2023-08-23 09:40:16 +09:00
trace_clock.c
trace_dynevent.c	tracing: Free buffers when a used dynamic event is removed	2022-11-23 19:07:12 -05:00
trace_dynevent.h
trace_entries.h	tracing: Add back FORTIFY_SOURCE logic to kernel_stack event structure	2023-07-30 18:11:44 -04:00
trace_eprobe.c	tracing/probes: Support $argN in return probe (kprobe and fprobe)	2024-03-07 00:27:34 +09:00
trace_event_perf.c	tracing/perf: Use strndup_user instead of kzalloc/strncpy_from_user	2022-11-23 19:08:31 -05:00
trace_events_filter_test.h
trace_events_filter.c	tracing: Have trace_event_file have ref counters	2023-11-01 23:44:44 -04:00
trace_events_hist.c	tracing histograms: Simplify parse_actions() function	2024-01-08 13:24:56 -05:00
trace_events_inject.c	tracing: Have event inject files inc the trace array ref count	2023-09-07 16:38:54 -04:00
trace_events_synth.c	tracing/synthetic: Fix trace_string() return value	2024-02-15 11:40:01 -05:00
trace_events_trigger.c	tracing: Decrement the snapshot if the snapshot trigger fails to register	2024-03-18 10:33:05 -04:00
trace_events_user.c	tracing/user_events: Introduce multi-format events	2024-03-18 10:13:03 -04:00
trace_events.c	ring-buffer: Page size per ring buffer	2023-12-20 07:54:55 -05:00
trace_export.c	tracing: Add back FORTIFY_SOURCE logic to kernel_stack event structure	2023-07-30 18:11:44 -04:00
trace_fprobe.c	tracing/probes: Support $argN in return probe (kprobe and fprobe)	2024-03-07 00:27:34 +09:00
trace_functions_graph.c	function_graph: Support recording and printing the return value of function	2023-06-20 18:38:37 -04:00
trace_functions.c
trace_hwlat.c	tracing: Remove extra space at the end of hwlat_detector/mode	2023-09-01 21:00:00 -04:00
trace_irqsoff.c	tracing: Fix memleak due to race between current_tracer and trace	2023-08-17 13:49:37 -04:00
trace_kdb.c
trace_kprobe_selftest.c	tracing: arm64: Avoid missing-prototype warnings	2023-07-12 12:06:04 -04:00
trace_kprobe_selftest.h
trace_kprobe.c	tracing/probes: Support $argN in return probe (kprobe and fprobe)	2024-03-07 00:27:34 +09:00
trace_mmiotrace.c
trace_nop.c
trace_osnoise.c	tracing/timerlat: Move hrtimer_init to timerlat_fd open()	2024-02-01 11:50:13 -05:00
trace_output.c	tracing: Remove precision vsnprintf() check from print event	2024-03-06 13:26:26 -05:00
trace_output.h	tracing: Add "fields" option to show raw trace event fields	2023-03-29 06:52:08 -04:00
trace_preemptirq.c	cpuidle: tracing, preempt: Squash _rcuidle tracing	2023-01-31 15:01:46 +01:00
trace_printk.c
trace_probe_kernel.h	tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails	2023-07-14 17:04:58 +09:00
trace_probe_tmpl.h	tracing/probes: Support $argN in return probe (kprobe and fprobe)	2024-03-07 00:27:34 +09:00
trace_probe.c	tracing: probes: Fix to zero initialize a local variable	2024-03-25 16:24:31 +09:00
trace_probe.h	tracing/probes: Support $argN in return probe (kprobe and fprobe)	2024-03-07 00:27:34 +09:00
trace_recursion_record.c
trace_sched_switch.c	tracing: Move saved_cmdline code into trace_sched_switch.c	2024-03-17 07:58:53 -04:00
trace_sched_wakeup.c	tracing: Fix memleak due to race between current_tracer and trace	2023-08-17 13:49:37 -04:00
trace_selftest_dynamic.c
trace_selftest.c	tracing: Support to dump instance traces by ftrace_dump_on_oops	2024-03-18 10:33:06 -04:00
trace_seq.c	trace_seq: Increase the buffer size to almost two pages	2023-12-18 23:14:16 -05:00
trace_stack.c
trace_stat.c
trace_stat.h
trace_synth.h	tracing: Allow synthetic events to pass around stacktraces	2023-01-25 10:31:24 -05:00
trace_syscalls.c	bpf: Change syscall_nr type to int in struct syscall_tp_t	2023-10-13 12:39:36 -07:00
trace_uprobe.c	tracing/probes: Support $argN in return probe (kprobe and fprobe)	2024-03-07 00:27:34 +09:00
trace.c	tracing: Support to dump instance traces by ftrace_dump_on_oops	2024-03-18 10:33:06 -04:00
trace.h	tracing: Add snapshot refcount	2024-03-18 10:12:47 -04:00
tracing_map.c	tracing: Ensure visibility when inserting an element into tracing_map	2024-01-22 17:15:40 -05:00
tracing_map.h	tracing: Remove unused extern declaration tracing_map_set_field_descr()	2023-07-23 11:08:14 -04:00