1# SPDX-License-Identifier: GPL-2.0 2 3# Do not instrument the tracer itself: 4 5ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE) 6 7ifdef CONFIG_FUNCTION_TRACER 8 9# Avoid recursion due to instrumentation. 10KCSAN_SANITIZE := n 11 12ifdef CONFIG_FTRACE_SELFTEST 13# selftest needs instrumentation 14CFLAGS_trace_selftest_dynamic.o = $(CC_FLAGS_FTRACE) 15obj-y += trace_selftest_dynamic.o 16endif 17endif 18 19# Allow some files to be function traced 20ifdef CONFIG_FUNCTION_SELF_TRACING 21CFLAGS_trace_output.o = $(CC_FLAGS_FTRACE) 22CFLAGS_trace_seq.o = $(CC_FLAGS_FTRACE) 23CFLAGS_trace_stat.o = $(CC_FLAGS_FTRACE) 24CFLAGS_tracing_map.o = $(CC_FLAGS_FTRACE) 25CFLAGS_synth_event_gen_test.o = $(CC_FLAGS_FTRACE) 26CFLAGS_trace_events.o = $(CC_FLAGS_FTRACE) 27CFLAGS_trace_syscalls.o = $(CC_FLAGS_FTRACE) 28CFLAGS_trace_events_filter.o = $(CC_FLAGS_FTRACE) 29CFLAGS_trace_events_trigger.o = $(CC_FLAGS_FTRACE) 30CFLAGS_trace_events_synth.o = $(CC_FLAGS_FTRACE) 31CFLAGS_trace_events_hist.o = $(CC_FLAGS_FTRACE) 32CFLAGS_trace_events_user.o = $(CC_FLAGS_FTRACE) 33CFLAGS_trace_dynevent.o = $(CC_FLAGS_FTRACE) 34endif 35 36ifdef CONFIG_FTRACE_STARTUP_TEST 37CFLAGS_trace_kprobe_selftest.o = $(CC_FLAGS_FTRACE) 38obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe_selftest.o 39endif 40 41# If unlikely tracing is enabled, do not trace these files 42ifdef CONFIG_TRACING_BRANCHES 43KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 44endif 45 46# for GCOV coverage profiling 47ifdef CONFIG_GCOV_PROFILE_FTRACE 48GCOV_PROFILE := y 49endif 50 51# Functions in this file could be invoked from early interrupt 52# code and produce random code coverage. 53KCOV_INSTRUMENT_trace_preemptirq.o := n 54 55CFLAGS_bpf_trace.o := -I$(src) 56 57CFLAGS_trace_benchmark.o := -I$(src) 58CFLAGS_trace_events_filter.o := -I$(src) 59 60obj-$(CONFIG_TRACE_CLOCK) += trace_clock.o 61 62obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o 63obj-$(CONFIG_RING_BUFFER) += ring_buffer.o 64obj-$(CONFIG_RING_BUFFER_BENCHMARK) += ring_buffer_benchmark.o 65 66obj-$(CONFIG_TRACING) += trace.o 67obj-$(CONFIG_TRACING) += trace_output.o 68obj-$(CONFIG_TRACING) += trace_seq.o 69obj-$(CONFIG_TRACING) += trace_stat.o 70obj-$(CONFIG_TRACING) += trace_printk.o 71obj-$(CONFIG_TRACING) += pid_list.o 72obj-$(CONFIG_TRACING_MAP) += tracing_map.o 73obj-$(CONFIG_PREEMPTIRQ_DELAY_TEST) += preemptirq_delay_test.o 74obj-$(CONFIG_SYNTH_EVENT_GEN_TEST) += synth_event_gen_test.o 75obj-$(CONFIG_KPROBE_EVENT_GEN_TEST) += kprobe_event_gen_test.o 76obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o 77obj-$(CONFIG_FUNCTION_TRACER) += trace_functions.o 78obj-$(CONFIG_PREEMPTIRQ_TRACEPOINTS) += trace_preemptirq.o 79obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o 80obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o 81obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o 82obj-$(CONFIG_HWLAT_TRACER) += trace_hwlat.o 83obj-$(CONFIG_OSNOISE_TRACER) += trace_osnoise.o 84obj-$(CONFIG_NOP_TRACER) += trace_nop.o 85obj-$(CONFIG_STACK_TRACER) += trace_stack.o 86obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o 87obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += trace_functions_graph.o 88obj-$(CONFIG_TRACE_BRANCH_PROFILING) += trace_branch.o 89obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o 90obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += fgraph.o 91ifeq ($(CONFIG_BLOCK),y) 92obj-$(CONFIG_EVENT_TRACING) += blktrace.o 93endif 94obj-$(CONFIG_EVENT_TRACING) += trace_events.o 95obj-$(CONFIG_EVENT_TRACING) += trace_export.o 96obj-$(CONFIG_FTRACE_SYSCALLS) += trace_syscalls.o 97ifeq ($(CONFIG_PERF_EVENTS),y) 98obj-$(CONFIG_EVENT_TRACING) += trace_event_perf.o 99endif 100obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o 101obj-$(CONFIG_EVENT_TRACING) += trace_events_trigger.o 102obj-$(CONFIG_EPROBE_EVENTS) += trace_eprobe.o 103obj-$(CONFIG_TRACE_EVENT_INJECT) += trace_events_inject.o 104obj-$(CONFIG_SYNTH_EVENTS) += trace_events_synth.o 105obj-$(CONFIG_HIST_TRIGGERS) += trace_events_hist.o 106obj-$(CONFIG_USER_EVENTS) += trace_events_user.o 107obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o 108obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe.o 109obj-$(CONFIG_TRACEPOINTS) += error_report-traces.o 110obj-$(CONFIG_TRACEPOINTS) += power-traces.o 111ifeq ($(CONFIG_PM),y) 112obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o 113endif 114ifeq ($(CONFIG_TRACING),y) 115obj-$(CONFIG_KGDB_KDB) += trace_kdb.o 116endif 117obj-$(CONFIG_DYNAMIC_EVENTS) += trace_dynevent.o 118obj-$(CONFIG_PROBE_EVENTS) += trace_probe.o 119obj-$(CONFIG_PROBE_EVENTS_BTF_ARGS) += trace_btf.o 120obj-$(CONFIG_UPROBE_EVENTS) += trace_uprobe.o 121obj-$(CONFIG_BOOTTIME_TRACING) += trace_boot.o 122obj-$(CONFIG_FTRACE_RECORD_RECURSION) += trace_recursion_record.o 123obj-$(CONFIG_FPROBE) += fprobe.o 124obj-$(CONFIG_RETHOOK) += rethook.o 125obj-$(CONFIG_FPROBE_EVENTS) += trace_fprobe.o 126 127obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_benchmark.o 128obj-$(CONFIG_RV) += rv/ 129 130libftrace-y := ftrace.o 131