mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
773c167050
This adds CONFIG_FTRACE_RECORD_RECURSION that will record to a file "recursed_functions" all the functions that caused recursion while a callback to the function tracer was running. Link: https://lkml.kernel.org/r/20201106023548.102375687@goodmis.org Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Guo Ren <guoren@kernel.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Borislav Petkov <bp@alien8.de> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Kees Cook <keescook@chromium.org> Cc: Anton Vorontsov <anton@enomsg.org> Cc: Colin Cross <ccross@android.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Jiri Kosina <jikos@kernel.org> Cc: Miroslav Benes <mbenes@suse.cz> Cc: Petr Mladek <pmladek@suse.com> Cc: Joe Lawrence <joe.lawrence@redhat.com> Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-csky@vger.kernel.org Cc: linux-parisc@vger.kernel.org Cc: linuxppc-dev@lists.ozlabs.org Cc: linux-s390@vger.kernel.org Cc: live-patching@vger.kernel.org Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
100 lines
3.3 KiB
Makefile
100 lines
3.3 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
|
|
# Do not instrument the tracer itself:
|
|
|
|
ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE)
|
|
|
|
ifdef CONFIG_FUNCTION_TRACER
|
|
|
|
# Avoid recursion due to instrumentation.
|
|
KCSAN_SANITIZE := n
|
|
|
|
ifdef CONFIG_FTRACE_SELFTEST
|
|
# selftest needs instrumentation
|
|
CFLAGS_trace_selftest_dynamic.o = $(CC_FLAGS_FTRACE)
|
|
obj-y += trace_selftest_dynamic.o
|
|
endif
|
|
endif
|
|
|
|
ifdef CONFIG_FTRACE_STARTUP_TEST
|
|
CFLAGS_trace_kprobe_selftest.o = $(CC_FLAGS_FTRACE)
|
|
obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe_selftest.o
|
|
endif
|
|
|
|
# If unlikely tracing is enabled, do not trace these files
|
|
ifdef CONFIG_TRACING_BRANCHES
|
|
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
|
|
endif
|
|
|
|
# for GCOV coverage profiling
|
|
ifdef CONFIG_GCOV_PROFILE_FTRACE
|
|
GCOV_PROFILE := y
|
|
endif
|
|
|
|
CFLAGS_bpf_trace.o := -I$(src)
|
|
|
|
CFLAGS_trace_benchmark.o := -I$(src)
|
|
CFLAGS_trace_events_filter.o := -I$(src)
|
|
|
|
obj-$(CONFIG_TRACE_CLOCK) += trace_clock.o
|
|
|
|
obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o
|
|
obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
|
|
obj-$(CONFIG_RING_BUFFER_BENCHMARK) += ring_buffer_benchmark.o
|
|
|
|
obj-$(CONFIG_TRACING) += trace.o
|
|
obj-$(CONFIG_TRACING) += trace_output.o
|
|
obj-$(CONFIG_TRACING) += trace_seq.o
|
|
obj-$(CONFIG_TRACING) += trace_stat.o
|
|
obj-$(CONFIG_TRACING) += trace_printk.o
|
|
obj-$(CONFIG_TRACING_MAP) += tracing_map.o
|
|
obj-$(CONFIG_PREEMPTIRQ_DELAY_TEST) += preemptirq_delay_test.o
|
|
obj-$(CONFIG_SYNTH_EVENT_GEN_TEST) += synth_event_gen_test.o
|
|
obj-$(CONFIG_KPROBE_EVENT_GEN_TEST) += kprobe_event_gen_test.o
|
|
obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o
|
|
obj-$(CONFIG_FUNCTION_TRACER) += trace_functions.o
|
|
obj-$(CONFIG_PREEMPTIRQ_TRACEPOINTS) += trace_preemptirq.o
|
|
obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o
|
|
obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o
|
|
obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o
|
|
obj-$(CONFIG_HWLAT_TRACER) += trace_hwlat.o
|
|
obj-$(CONFIG_NOP_TRACER) += trace_nop.o
|
|
obj-$(CONFIG_STACK_TRACER) += trace_stack.o
|
|
obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o
|
|
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += trace_functions_graph.o
|
|
obj-$(CONFIG_TRACE_BRANCH_PROFILING) += trace_branch.o
|
|
obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o
|
|
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += fgraph.o
|
|
ifeq ($(CONFIG_BLOCK),y)
|
|
obj-$(CONFIG_EVENT_TRACING) += blktrace.o
|
|
endif
|
|
obj-$(CONFIG_EVENT_TRACING) += trace_events.o
|
|
obj-$(CONFIG_EVENT_TRACING) += trace_export.o
|
|
obj-$(CONFIG_FTRACE_SYSCALLS) += trace_syscalls.o
|
|
ifeq ($(CONFIG_PERF_EVENTS),y)
|
|
obj-$(CONFIG_EVENT_TRACING) += trace_event_perf.o
|
|
endif
|
|
obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o
|
|
obj-$(CONFIG_EVENT_TRACING) += trace_events_trigger.o
|
|
obj-$(CONFIG_TRACE_EVENT_INJECT) += trace_events_inject.o
|
|
obj-$(CONFIG_SYNTH_EVENTS) += trace_events_synth.o
|
|
obj-$(CONFIG_HIST_TRIGGERS) += trace_events_hist.o
|
|
obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o
|
|
obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe.o
|
|
obj-$(CONFIG_TRACEPOINTS) += power-traces.o
|
|
ifeq ($(CONFIG_PM),y)
|
|
obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o
|
|
endif
|
|
ifeq ($(CONFIG_TRACING),y)
|
|
obj-$(CONFIG_KGDB_KDB) += trace_kdb.o
|
|
endif
|
|
obj-$(CONFIG_DYNAMIC_EVENTS) += trace_dynevent.o
|
|
obj-$(CONFIG_PROBE_EVENTS) += trace_probe.o
|
|
obj-$(CONFIG_UPROBE_EVENTS) += trace_uprobe.o
|
|
obj-$(CONFIG_BOOTTIME_TRACING) += trace_boot.o
|
|
obj-$(CONFIG_FTRACE_RECORD_RECURSION) += trace_recursion_record.o
|
|
|
|
obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_benchmark.o
|
|
|
|
libftrace-y := ftrace.o
|