AuxXxilium/linux_dsm_epyc7002
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4285f2fcef
linux_dsm_epyc7002/kernel/trace
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Thomas Gleixner 4285f2fcef tracing: Remove the ULONG_MAX stack trace hackery 
No architecture terminates the stack trace with ULONG_MAX anymore. As the
code checks the number of entries stored anyway there is no point in
keeping all that ULONG_MAX magic around.

The histogram code zeroes the storage before saving the stack, so if the
trace is shorter than the maximum number of entries it can terminate the
print loop if a zero entry is detected.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexander Potapenko <glider@google.com>
Link: https://lkml.kernel.org/r/20190410103645.048761764@linutronix.de
2019-04-14 19:58:32 +02:00
..
blktrace.c blkcg: annotate implicit fall through 2019-03-13 14:31:12 -06:00
bpf_trace.c Merge branch 'linus' into perf/core, to pick up fixes 2019-02-28 08:27:17 +01:00
fgraph.c tracing: Fix ftrace_graph_get_ret_stack() to use task and not current 2018-12-22 08:21:03 -05:00
ftrace_internal.h ftrace: Create new ftrace_internal.h header 2018-12-08 20:54:06 -05:00
ftrace.c ftrace: Fix warning using plain integer as NULL & spelling corrections 2019-03-26 08:35:36 -04:00
Kconfig kbuild: compute false-positive -Wmaybe-uninitialized cases in Kconfig 2019-02-27 21:43:20 +09:00
Makefile tracing: Add unified dynamic event framework 2018-12-08 20:54:09 -05:00
power-traces.c
preemptirq_delay_test.c tracing: Use trace_clock_local() for looping in preemptirq_delay_test.c 2018-10-17 15:35:33 -04:00
ring_buffer_benchmark.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
ring_buffer.c tracing: kdb: Fix ftdump to not sleep 2019-03-13 09:46:10 -04:00
rpm-traces.c
trace_benchmark.c rcu: Rename cond_resched_rcu_qs() to cond_resched_tasks_rcu_qs() 2018-05-15 10:27:29 -07:00
trace_benchmark.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_branch.c
trace_clock.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_dynevent.c tracing: initialize variable in create_dyn_event() 2019-03-26 08:35:36 -04:00
trace_dynevent.h tracing: Add unified dynamic event framework 2018-12-08 20:54:09 -05:00
trace_entries.h tracing: Change the function format to display function names by perf 2019-02-11 14:53:43 -05:00
trace_event_perf.c tracing/perf: Use strndup_user() instead of buggy open-coded version 2019-02-21 10:35:10 -05:00
trace_events_filter_test.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_events_filter.c The biggest change for this release is in the histogram code. 2019-03-11 17:01:32 -07:00
trace_events_hist.c tracing: Remove the ULONG_MAX stack trace hackery 2019-04-14 19:58:32 +02:00
trace_events_trigger.c tracing: Fix memory leak in set_trigger_filter() 2018-12-11 13:50:19 -05:00
trace_events.c tracing: Use str_has_prefix() instead of using fixed sizes 2018-12-22 22:51:54 -05:00
trace_export.c tracing: Add trigger file for trace_markers tracefs/ftrace/print 2018-05-29 08:28:53 -04:00
trace_functions_graph.c tracing: Put a margin between flags and duration for wakeup tracers 2019-02-06 11:56:19 -05:00
trace_functions.c
trace_hwlat.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_irqsoff.c The biggest change for this release is in the histogram code. 2019-03-11 17:01:32 -07:00
trace_kdb.c tracing: kdb: Fix ftdump to not sleep 2019-03-13 09:46:10 -04:00
trace_kprobe_selftest.c selftest/ftrace: Move kprobe selftest function to separate compile unit 2018-07-30 18:41:04 -04:00
trace_kprobe_selftest.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_kprobe.c This contains a series of last minute clean ups, small fixes and 2019-03-15 14:47:02 -07:00
trace_mmiotrace.c
trace_nop.c
trace_output.c tracing: Simplify printf'ing in seq_print_sym 2018-12-22 08:21:06 -05:00
trace_output.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_preemptirq.c kprobes: Prohibit probing on hardirq tracers 2019-02-13 08:16:40 +01:00
trace_printk.c tracing: Trivia spelling fix containerof() -> container_of() 2018-09-26 12:21:00 +03:00
trace_probe_tmpl.h tracing: probeevent: Correctly update remaining space in dynamic area 2019-02-11 15:58:30 -05:00
trace_probe.c tracing/probe: Check event/group naming rule at parsing 2019-03-14 19:54:11 -04:00
trace_probe.h tracing/probe: Check the size of argument name and body 2019-03-14 19:53:57 -04:00
trace_sched_switch.c
trace_sched_wakeup.c tracing: Add conditional snapshot 2019-02-20 13:51:06 -05:00
trace_selftest_dynamic.c ftrace: Mark function tracer test functions noinline/noclone 2018-01-23 15:57:29 -05:00
trace_selftest.c fgraph: Add new fgraph_ops structure to enable function graph hooks 2018-12-08 20:54:07 -05:00
trace_seq.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
trace_stack.c tracing: Remove the ULONG_MAX stack trace hackery 2019-04-14 19:58:32 +02:00
trace_stat.c
trace_stat.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00
trace_syscalls.c syscalls: Remove start and number from syscall_get_arguments() args 2019-04-05 09:26:43 -04:00
trace_uprobe.c This contains a series of last minute clean ups, small fixes and 2019-03-15 14:47:02 -07:00
trace.c This contains a series of last minute clean ups, small fixes and 2019-03-15 14:47:02 -07:00
trace.h tracing: Add conditional snapshot 2019-02-20 13:51:06 -05:00
tracing_map.c tracing: Add SPDX License format tags to tracing files 2018-08-16 19:08:06 -04:00
tracing_map.h tracing: Fix SPDX format headers to use C++ style comments 2018-08-16 19:08:06 -04:00