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linux/kernel/trace
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Steven Rostedt c44a14f216 tracing: Enforce the persistent ring buffer to be page aligned 
Enforce that the address and the size of the memory used by the persistent
ring buffer is page aligned. Also update the documentation to reflect this
requirement.

Link: https://lore.kernel.org/all/CAHk-=whUOfVucfJRt7E0AH+GV41ELmS4wJqxHDnui6Giddfkzw@mail.gmail.com/

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Vincent Donnefort <vdonnefort@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/20250402144953.412882844@goodmis.org
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2025-04-02 11:02:26 -04:00
..
rv
verification/dot2k: Auto patch current kernel source
2024-12-27 14:39:35 -05:00
blktrace.c
blktrace: remove redundant return at end of function
2024-12-23 08:17:23 -07:00
bpf_trace.c
bpf-next-6.14
2025-01-23 08:04:07 -08:00
bpf_trace.h
…
error_report-traces.c
…
fgraph.c
fgraph: Remove calltime and rettime from generic operations
2025-01-21 21:55:49 -05:00
fprobe.c
fprobe: Fix accounting of when to unregister from function graph
2025-02-21 09:36:12 -05:00
ftrace_internal.h
…
ftrace.c
ftrace: Do not add duplicate entries in subops manager ops
2025-02-21 09:36:12 -05:00
Kconfig
fprobe: Rewrite fprobe on function-graph tracer
2024-12-26 10:50:05 -05:00
kprobe_event_gen_test.c
…
Makefile
…
pid_list.c
pid: allow pid_max to be set per pid namespace
2024-12-02 11:25:25 +01:00
pid_list.h
…
power-traces.c
…
preemptirq_delay_test.c
…
rethook.c
…
ring_buffer_benchmark.c
ring-buffer: Use str_low_high() helper in ring_buffer_producer()
2024-10-19 11:12:25 -04:00
ring_buffer.c
ring-buffer: Remove the unused variable bmeta
2025-03-28 08:39:56 -04:00
rpm-traces.c
…
synth_event_gen_test.c
…
trace_benchmark.c
…
trace_benchmark.h
…
trace_boot.c
…
trace_branch.c
tracing: Remove TRACE_EVENT_FL_FILTERED logic
2024-10-08 15:24:49 -04:00
trace_btf.c
…
trace_btf.h
…
trace_clock.c
tracing: Use atomic64_inc_return() in trace_clock_counter()
2024-10-09 19:59:49 -04:00
trace_dynevent.c
tracing/string: Create and use __free(argv_free) in trace_dynevent.c
2024-12-26 10:38:37 -05:00
trace_dynevent.h
…
trace_entries.h
fgraph: Remove calltime and rettime from generic operations
2025-01-21 21:55:49 -05:00
trace_eprobe.c
tracing/eprobe: Adopt guard() and scoped_guard()
2025-01-10 09:00:12 +09:00
trace_event_perf.c
trace/trace_event_perf: remove duplicate samples on the first tracepoint event
2024-10-09 19:44:54 -04:00
trace_events_filter_test.h
…
trace_events_filter.c
tracing: Switch trace_events_filter.c code over to use guard()
2024-12-26 10:38:37 -05:00
trace_events_hist.c
tracing/hist: Support POLLPRI event for poll on histogram
2025-01-07 11:46:32 -05:00
trace_events_inject.c
…
trace_events_synth.c
tracing: Switch trace_events_synth.c code over to use guard()
2024-12-26 10:38:37 -05:00
trace_events_trigger.c
tracing: Switch trace_events_trigger.c code over to use guard()
2024-12-26 10:38:37 -05:00
trace_events_user.c
treewide: const qualify ctl_tables where applicable
2025-01-28 13:48:37 +01:00
trace_events.c
tracing: Update modules to persistent instances when loaded
2025-03-28 08:39:27 -04:00
trace_export.c
…
trace_fprobe.c
tracing: Adopt __free() and guard() for trace_fprobe.c
2025-01-16 21:27:07 -05:00
trace_functions_graph.c
fgraph: Fix set_graph_notrace with setting TRACE_GRAPH_NOTRACE_BIT
2025-02-08 08:36:45 -05:00
trace_functions.c
ftrace: Correct preemption accounting for function tracing.
2025-02-21 09:36:12 -05:00
trace_hwlat.c
tracing: Remove TRACE_EVENT_FL_FILTERED logic
2024-10-08 15:24:49 -04:00
trace_irqsoff.c
fgraph: Remove calltime and rettime from generic operations
2025-01-21 21:55:49 -05:00
trace_kdb.c
trace: kdb: Replace simple_strtoul with kstrtoul in kdb_ftdump
2024-11-02 08:33:13 +00:00
trace_kprobe_selftest.c
…
trace_kprobe_selftest.h
…
trace_kprobe.c
tracing/kprobes: Simplify __trace_kprobe_create() by removing gotos
2025-01-10 09:01:14 +09:00
trace_mmiotrace.c
tracing: Remove TRACE_EVENT_FL_FILTERED logic
2024-10-08 15:24:49 -04:00
trace_nop.c
…
trace_osnoise.c
Runtime verifier and osnoise fixes for 6.14:
2025-01-26 14:19:45 -08:00
trace_output.c
tracing: Show last module text symbols in the stacktrace
2025-03-28 08:39:56 -04:00
trace_output.h
…
trace_preemptirq.c
tracing: Fix archs that still call tracepoints without RCU watching
2024-12-05 09:28:58 -05:00
trace_printk.c
…
trace_probe_kernel.h
…
trace_probe_tmpl.h
tracing/fprobe: Enable fprobe events with CONFIG_DYNAMIC_FTRACE_WITH_ARGS
2024-12-26 10:50:04 -05:00
trace_probe.c
tracing: Use __free() in trace_probe for cleanup
2025-01-10 09:00:13 +09:00
trace_probe.h
…
trace_recursion_record.c
…
trace_sched_switch.c
pid: allow pid_max to be set per pid namespace
2024-12-02 11:25:25 +01:00
trace_sched_wakeup.c
fgraph: Remove calltime and rettime from generic operations
2025-01-21 21:55:49 -05:00
trace_selftest_dynamic.c
…
trace_selftest.c
fgraph: Pass ftrace_regs to retfunc
2024-12-26 10:50:03 -05:00
trace_seq.c
…
trace_stack.c
tracing: Switch trace_stack.c code over to use guard()
2024-12-26 10:38:37 -05:00
trace_stat.c
tracing: Switch trace_stat.c code over to use guard()
2024-12-26 10:38:37 -05:00
trace_stat.h
…
trace_synth.h
…
trace_syscalls.c
tracing/perf: Add might_fault check to syscall probes
2024-10-09 17:09:46 -04:00
trace_uprobe.c
tracing/uprobe: Adopt guard() and scoped_guard()
2025-01-10 09:00:12 +09:00
trace.c
tracing: Enforce the persistent ring buffer to be page aligned
2025-04-02 11:02:26 -04:00
trace.h
tracing: Show last module text symbols in the stacktrace
2025-03-28 08:39:56 -04:00
tracing_map.c
tracing: Fix cmp_entries_dup() to respect sort() comparison rules
2024-12-04 10:38:24 -05:00
tracing_map.h
…