1 # SPDX-License-Identifier: GPL-2.0 <<
2 1
3 # Do not instrument the tracer itself: !! 2 # We are fully aware of the dangers of __builtin_return_address()
>> 3 FRAME_CFLAGS := $(call cc-disable-warning,frame-address)
>> 4 KBUILD_CFLAGS += $(FRAME_CFLAGS)
4 5
5 ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $( !! 6 # Do not instrument the tracer itself:
6 7
7 ifdef CONFIG_FUNCTION_TRACER 8 ifdef CONFIG_FUNCTION_TRACER
8 !! 9 ORIG_CFLAGS := $(KBUILD_CFLAGS)
9 # Avoid recursion due to instrumentation. !! 10 KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS))
10 KCSAN_SANITIZE := n <<
11 11
12 ifdef CONFIG_FTRACE_SELFTEST 12 ifdef CONFIG_FTRACE_SELFTEST
13 # selftest needs instrumentation 13 # selftest needs instrumentation
14 CFLAGS_trace_selftest_dynamic.o = $(CC_FLAGS_F 14 CFLAGS_trace_selftest_dynamic.o = $(CC_FLAGS_FTRACE)
15 obj-y += trace_selftest_dynamic.o 15 obj-y += trace_selftest_dynamic.o
16 endif 16 endif
17 endif 17 endif
18 18
19 ifdef CONFIG_FTRACE_STARTUP_TEST <<
20 CFLAGS_trace_kprobe_selftest.o = $(CC_FLAGS_FT <<
21 obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe_se <<
22 endif <<
23 <<
24 # If unlikely tracing is enabled, do not trace 19 # If unlikely tracing is enabled, do not trace these files
25 ifdef CONFIG_TRACING_BRANCHES 20 ifdef CONFIG_TRACING_BRANCHES
26 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING 21 KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
27 endif 22 endif
28 23
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 <<
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) 24 CFLAGS_trace_benchmark.o := -I$(src)
41 CFLAGS_trace_events_filter.o := -I$(src) 25 CFLAGS_trace_events_filter.o := -I$(src)
42 26
43 obj-$(CONFIG_TRACE_CLOCK) += trace_clock.o 27 obj-$(CONFIG_TRACE_CLOCK) += trace_clock.o
44 28
45 obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o 29 obj-$(CONFIG_FUNCTION_TRACER) += libftrace.o
46 obj-$(CONFIG_RING_BUFFER) += ring_buffer.o 30 obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
47 obj-$(CONFIG_RING_BUFFER_BENCHMARK) += ring_bu 31 obj-$(CONFIG_RING_BUFFER_BENCHMARK) += ring_buffer_benchmark.o
48 32
49 obj-$(CONFIG_TRACING) += trace.o 33 obj-$(CONFIG_TRACING) += trace.o
50 obj-$(CONFIG_TRACING) += trace_output.o 34 obj-$(CONFIG_TRACING) += trace_output.o
51 obj-$(CONFIG_TRACING) += trace_seq.o 35 obj-$(CONFIG_TRACING) += trace_seq.o
52 obj-$(CONFIG_TRACING) += trace_stat.o 36 obj-$(CONFIG_TRACING) += trace_stat.o
53 obj-$(CONFIG_TRACING) += trace_printk.o 37 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) += preempt <<
57 obj-$(CONFIG_SYNTH_EVENT_GEN_TEST) += synth_ev <<
58 obj-$(CONFIG_KPROBE_EVENT_GEN_TEST) += kprobe_ <<
59 obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_s 38 obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o
60 obj-$(CONFIG_FUNCTION_TRACER) += trace_functio 39 obj-$(CONFIG_FUNCTION_TRACER) += trace_functions.o
61 obj-$(CONFIG_PREEMPTIRQ_TRACEPOINTS) += trace_ <<
62 obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff. 40 obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o
63 obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff. 41 obj-$(CONFIG_PREEMPT_TRACER) += trace_irqsoff.o
64 obj-$(CONFIG_SCHED_TRACER) += trace_sched_wake 42 obj-$(CONFIG_SCHED_TRACER) += trace_sched_wakeup.o
65 obj-$(CONFIG_HWLAT_TRACER) += trace_hwlat.o <<
66 obj-$(CONFIG_OSNOISE_TRACER) += trace_osnoise. <<
67 obj-$(CONFIG_NOP_TRACER) += trace_nop.o 43 obj-$(CONFIG_NOP_TRACER) += trace_nop.o
68 obj-$(CONFIG_STACK_TRACER) += trace_stack.o 44 obj-$(CONFIG_STACK_TRACER) += trace_stack.o
69 obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o 45 obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o
70 obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += trace_f 46 obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += trace_functions_graph.o
71 obj-$(CONFIG_TRACE_BRANCH_PROFILING) += trace_ 47 obj-$(CONFIG_TRACE_BRANCH_PROFILING) += trace_branch.o
72 obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o 48 obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o
73 obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += fgraph. <<
74 ifeq ($(CONFIG_BLOCK),y) 49 ifeq ($(CONFIG_BLOCK),y)
75 obj-$(CONFIG_EVENT_TRACING) += blktrace.o 50 obj-$(CONFIG_EVENT_TRACING) += blktrace.o
76 endif 51 endif
77 obj-$(CONFIG_EVENT_TRACING) += trace_events.o 52 obj-$(CONFIG_EVENT_TRACING) += trace_events.o
78 obj-$(CONFIG_EVENT_TRACING) += trace_export.o 53 obj-$(CONFIG_EVENT_TRACING) += trace_export.o
79 obj-$(CONFIG_FTRACE_SYSCALLS) += trace_syscall 54 obj-$(CONFIG_FTRACE_SYSCALLS) += trace_syscalls.o
80 ifeq ($(CONFIG_PERF_EVENTS),y) 55 ifeq ($(CONFIG_PERF_EVENTS),y)
81 obj-$(CONFIG_EVENT_TRACING) += trace_event_per 56 obj-$(CONFIG_EVENT_TRACING) += trace_event_perf.o
82 endif 57 endif
83 obj-$(CONFIG_EVENT_TRACING) += trace_events_fi 58 obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o
84 obj-$(CONFIG_EVENT_TRACING) += trace_events_tr 59 obj-$(CONFIG_EVENT_TRACING) += trace_events_trigger.o
85 obj-$(CONFIG_PROBE_EVENTS) += trace_eprobe.o <<
86 obj-$(CONFIG_TRACE_EVENT_INJECT) += trace_even <<
87 obj-$(CONFIG_SYNTH_EVENTS) += trace_events_syn <<
88 obj-$(CONFIG_HIST_TRIGGERS) += trace_events_hi <<
89 obj-$(CONFIG_USER_EVENTS) += trace_events_user <<
90 obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o 60 obj-$(CONFIG_BPF_EVENTS) += bpf_trace.o
91 obj-$(CONFIG_KPROBE_EVENTS) += trace_kprobe.o !! 61 obj-$(CONFIG_KPROBE_EVENT) += trace_kprobe.o
92 obj-$(CONFIG_TRACEPOINTS) += error_report-trac <<
93 obj-$(CONFIG_TRACEPOINTS) += power-traces.o 62 obj-$(CONFIG_TRACEPOINTS) += power-traces.o
94 ifeq ($(CONFIG_PM),y) 63 ifeq ($(CONFIG_PM),y)
95 obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o 64 obj-$(CONFIG_TRACEPOINTS) += rpm-traces.o
96 endif 65 endif
97 ifeq ($(CONFIG_TRACING),y) 66 ifeq ($(CONFIG_TRACING),y)
98 obj-$(CONFIG_KGDB_KDB) += trace_kdb.o 67 obj-$(CONFIG_KGDB_KDB) += trace_kdb.o
99 endif 68 endif
100 obj-$(CONFIG_DYNAMIC_EVENTS) += trace_dynevent <<
101 obj-$(CONFIG_PROBE_EVENTS) += trace_probe.o 69 obj-$(CONFIG_PROBE_EVENTS) += trace_probe.o
102 obj-$(CONFIG_PROBE_EVENTS_BTF_ARGS) += trace_b !! 70 obj-$(CONFIG_UPROBE_EVENT) += trace_uprobe.o
103 obj-$(CONFIG_UPROBE_EVENTS) += trace_uprobe.o <<
104 obj-$(CONFIG_BOOTTIME_TRACING) += trace_boot.o <<
105 obj-$(CONFIG_FTRACE_RECORD_RECURSION) += trace <<
106 obj-$(CONFIG_FPROBE) += fprobe.o <<
107 obj-$(CONFIG_RETHOOK) += rethook.o <<
108 obj-$(CONFIG_FPROBE_EVENTS) += trace_fprobe.o <<
109 71
110 obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_be 72 obj-$(CONFIG_TRACEPOINT_BENCHMARK) += trace_benchmark.o
111 obj-$(CONFIG_RV) += rv/ <<
112 73
113 libftrace-y := ftrace.o 74 libftrace-y := ftrace.o
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