android_kernel_motorola_sm6375/kernel/trace
Repository files (latest commit first)
Filename Latest commit message Latest commit date
Sven Schnelle 500158df87 tracing: Ensure trace buffer is at least 4096 bytes large
[ Upstream commit 7acf3a127bb7c65ff39099afd78960e77b2ca5de ]

Booting the kernel with 'trace_buf_size=1' give a warning at
boot during the ftrace selftests:

[    0.892809] Running postponed tracer tests:
[    0.892893] Testing tracer function:
[    0.901899] Callback from call_rcu_tasks_trace() invoked.
[    0.983829] Callback from call_rcu_tasks_rude() invoked.
[    1.072003] .. bad ring buffer .. corrupted trace buffer ..
[    1.091944] Callback from call_rcu_tasks() invoked.
[    1.097695] PASSED
[    1.097701] Testing dynamic ftrace: .. filter failed count=0 ..FAILED!
[    1.353474] ------------[ cut here ]------------
[    1.353478] WARNING: CPU: 0 PID: 1 at kernel/trace/trace.c:1951 run_tracer_selftest+0x13c/0x1b0

Therefore enforce a minimum of 4096 bytes to make the selftest pass.

Link: https://lkml.kernel.org/r/20220214134456.1751749-1-svens@linux.ibm.com

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-03-16 13:21:47 +01:00
..
blktrace.c blktrace: Fix uaf in blk_trace access after removing by sysfs 2021-09-30 10:09:24 +02:00
bpf_trace.c
fgraph.c
ftrace.c ftrace: add ftrace_init_nop() 2022-02-23 11:59:56 +01:00
ftrace_internal.h
Kconfig
Makefile
power-traces.c
preemptirq_delay_test.c
ring_buffer.c tracing: Fix bug in rb_per_cpu_empty() that might cause deadloop. 2021-07-28 13:31:00 +02:00
ring_buffer_benchmark.c
rpm-traces.c
trace.c tracing: Ensure trace buffer is at least 4096 bytes large 2022-03-16 13:21:47 +01:00
trace.h tracing: Fix pid filtering when triggers are attached 2021-12-01 09:23:29 +01:00
trace_benchmark.c
trace_benchmark.h
trace_branch.c
trace_clock.c
trace_dynevent.c
trace_dynevent.h
trace_entries.h
trace_event_perf.c
trace_events.c tracing: Check pid filtering when creating events 2021-12-01 09:23:34 +01:00
trace_events_filter.c
trace_events_filter_test.h
trace_events_hist.c tracing/histogram: Fix sorting on old "cpu" value 2022-03-08 19:07:50 +01:00
trace_events_trigger.c tracing: Have traceon and traceoff trigger honor the instance 2022-03-02 11:41:11 +01:00
trace_export.c
trace_functions.c tracing: Have all levels of checks prevent recursion 2021-10-27 09:54:29 +02:00
trace_functions_graph.c
trace_hwlat.c
trace_irqsoff.c
trace_kdb.c
trace_kprobe.c tracing: Fix return value of __setup handlers 2022-03-08 19:07:50 +01:00
trace_kprobe_selftest.c
trace_kprobe_selftest.h
trace_mmiotrace.c
trace_nop.c
trace_output.c
trace_output.h
trace_preemptirq.c
trace_printk.c
trace_probe.c tracing/probes: Reject events which have the same name of existing one 2021-09-22 12:26:43 +02:00
trace_probe.h tracing/probes: Reject events which have the same name of existing one 2021-09-22 12:26:43 +02:00
trace_probe_tmpl.h
trace_sched_switch.c
trace_sched_wakeup.c
trace_selftest.c
trace_selftest_dynamic.c
trace_seq.c
trace_stack.c
trace_stat.c
trace_stat.h
trace_syscalls.c
trace_uprobe.c tracing/uprobe: Fix uprobe_perf_open probes iteration 2021-12-01 09:23:29 +01:00
tracing_map.c tracing: Fix a kmemleak false positive in tracing_map 2021-12-17 10:12:24 +01:00
tracing_map.h