kernel/trace/Makefile

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