forked from luck/tmp_suning_uos_patched
6b7dca401c
Add GCOV_PROFILE_FTRACE to allow gcov profiling on only files in ftrace subsystem. This config option will be used for checking kselftest/ftrace coverage. Link: http://lkml.kernel.org/r/153483647755.32472.4746349899604275441.stgit@devbox Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
87 lines
2.8 KiB
Makefile
87 lines
2.8 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Do not instrument the tracer itself:
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ifdef CONFIG_FUNCTION_TRACER
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ORIG_CFLAGS := $(KBUILD_CFLAGS)
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KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS))
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ifdef CONFIG_FTRACE_SELFTEST
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# selftest needs instrumentation
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CFLAGS_trace_selftest_dynamic.o = $(CC_FLAGS_FTRACE)
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obj-y += trace_selftest_dynamic.o
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endif
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endif
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ifdef CONFIG_FTRACE_STARTUP_TEST
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CFLAGS_trace_kprobe_selftest.o = $(CC_FLAGS_FTRACE)
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obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe_selftest.o
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endif
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# If unlikely tracing is enabled, do not trace these files
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ifdef CONFIG_TRACING_BRANCHES
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KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
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endif
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# for GCOV coverage profiling
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ifdef CONFIG_GCOV_PROFILE_FTRACE
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GCOV_PROFILE := y
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endif
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CFLAGS_trace_benchmark.o := -I$(src)
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CFLAGS_trace_events_filter.o := -I$(src)
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obj-$(CONFIG_TRACE_CLOCK) += trace_clock.o
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obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o
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obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
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obj-$(CONFIG_RING_BUFFER_BENCHMARK) += ring_buffer_benchmark.o
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obj-$(CONFIG_TRACING) += trace.o
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obj-$(CONFIG_TRACING) += trace_output.o
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obj-$(CONFIG_TRACING) += trace_seq.o
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obj-$(CONFIG_TRACING) += trace_stat.o
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obj-$(CONFIG_TRACING) += trace_printk.o
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obj-$(CONFIG_TRACING_MAP) += tracing_map.o
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obj-$(CONFIG_PREEMPTIRQ_DELAY_TEST) += preemptirq_delay_test.o
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obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o
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obj-$(CONFIG_FUNCTION_TRACER) += trace_functions.o
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obj-$(CONFIG_PREEMPTIRQ_TRACEPOINTS) += trace_preemptirq.o
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obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o
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obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o
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obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o
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obj-$(CONFIG_HWLAT_TRACER) += trace_hwlat.o
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obj-$(CONFIG_NOP_TRACER) += trace_nop.o
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obj-$(CONFIG_STACK_TRACER) += trace_stack.o
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obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o
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obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += trace_functions_graph.o
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obj-$(CONFIG_TRACE_BRANCH_PROFILING) += trace_branch.o
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obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o
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ifeq ($(CONFIG_BLOCK),y)
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obj-$(CONFIG_EVENT_TRACING) += blktrace.o
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endif
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obj-$(CONFIG_EVENT_TRACING) += trace_events.o
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obj-$(CONFIG_EVENT_TRACING) += trace_export.o
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obj-$(CONFIG_FTRACE_SYSCALLS) += trace_syscalls.o
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ifeq ($(CONFIG_PERF_EVENTS),y)
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obj-$(CONFIG_EVENT_TRACING) += trace_event_perf.o
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endif
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obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o
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obj-$(CONFIG_EVENT_TRACING) += trace_events_trigger.o
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obj-$(CONFIG_HIST_TRIGGERS) += trace_events_hist.o
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obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o
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obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe.o
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obj-$(CONFIG_TRACEPOINTS) += power-traces.o
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ifeq ($(CONFIG_PM),y)
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obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o
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endif
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ifeq ($(CONFIG_TRACING),y)
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obj-$(CONFIG_KGDB_KDB) += trace_kdb.o
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endif
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obj-$(CONFIG_PROBE_EVENTS) += trace_probe.o
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obj-$(CONFIG_UPROBE_EVENTS) += trace_uprobe.o
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obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_benchmark.o
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libftrace-y := ftrace.o
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