From 7faa876a18a2c03272ec2a2f49f0bbf572c7d0cd Mon Sep 17 00:00:00 2001
From: Jan Lindemann <jan@janware.com>
Date: Mon, 11 Dec 2017 14:03:05 +0000
Subject: [PATCH] profiler.mk: Add profiler.mk

Signed-off-by: Jan Lindemann <jan@janware.com>
---
 make/profiler.mk | 105 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 make/profiler.mk

diff --git a/make/profiler.mk b/make/profiler.mk
new file mode 100644
index 00000000..556379d1
--- /dev/null
+++ b/make/profiler.mk
@@ -0,0 +1,105 @@
+all:
+clean:
+
+PROF_EXE_PATH          ?= $(EXE_PATH)
+CALLGRIND_OUT          ?= callgrind.out
+OPROF_OUT_DIR          ?= oprofile-dir
+
+ifeq ($(USE_GPROF),true)
+  PROJECT_CPPFLAGS     += -pg
+  PROJECT_CFLAGS       += -pg
+  PROJECT_LDFLAGS      += -pg
+clean: clean.gprof
+endif
+
+ifeq ($(USE_GCOV),true)
+  PROJECT_CPPFLAGS     += -fprofile-arcs -ftest-coverage
+  PROJECT_CFLAGS       += -fprofile-arcs -ftest-coverage
+  PROJECT_LDFLAGS      += -fprofile-arcs -ftest-coverage
+clean: clean.gcov
+endif
+
+# ---- callgrind
+
+clean: clean.callgrind
+
+callgrind: run-prereq
+	$(RM) -f core.*
+	valgrind --tool=callgrind  $(VALGRIND_OPTS) $(EXE_PATH) $(EXE_ARGS)
+callgrind-noinst: run-prereq
+	$(RM) -f core.*
+	valgrind --tool=callgrind --callgrind-out-file=$(CALLGRIND_OUT) --instr-atstart=no $(VALGRIND_OPTS) $(EXE_PATH) $(EXE_ARGS)
+$(CALLGRIND_OUT): callgrind
+kcachegrind: $(CALLGRIND_OUT)
+	kcachegrind $<
+callgrind-startinst:
+	ps aux | grep callgrind | grep -v "grep\|make\|callgrind_control" | awk '{print $$2}' | xargs callgrind_control --instr=on
+callgrind-stopinst:
+	ps aux | grep callgrind | grep -v "grep\|make\|callgrind_control" | awk '{print $$2}' | xargs callgrind_control --instr=off
+callgrind-dump:
+	ps aux | grep callgrind | grep -v "grep\|make\|callgrind_control" | awk '{print $$2}' | xargs callgrind_control --dump
+clean.callgrind:
+	rm -f $(CALLGRIND_OUT)
+
+# ---- oprofile
+
+clean: clean.oprof
+
+operf: | $(OPROF_OUT_DIR)
+
+$(OPROF_OUT_DIR):
+	mkdir -p $@
+oprof-setup:
+	echo 0 | sudo tee /proc/sys/kernel/kptr_restrict
+	echo 0 | sudo tee /proc/sys/kernel/perf_event_paranoid
+oprof-callgraph.txt:
+	opreport --session-dir $(OPROF_OUT_DIR) --callgraph > $@.tmp
+	mv $@.tmp $@
+oprof-view-callgraph-txt: oprof-callgraph.txt
+	less -S $<
+oprof-callgraph.dot: oprof-callgraph.txt
+	cat $< | gprof2dot -f oprofile > $@.tmp
+	mv $@.tmp $@
+oprof-callgraph.pdf: oprof-callgraph.dot
+	dot -Tpdf $< -o $@.tmp
+	mv $@.tmp $@
+oprof-view-callgraph-pdf: oprof-callgraph.pdf
+	okular $<
+oprof-view-callgraph-dot: oprof-callgraph.dot
+	xdot $<
+
+#operf: operf.txt
+#operf.txt:
+#	operf --session-dir $(OPROF_OUT_DIR) $(PROF_CMD)
+#operf-view-txt: operf.txt
+#	less -S $<
+#operf-callgraph.pdf: gmon.out
+#	operf $(PROF_EXE_PATH) | operf2dot | dot -Tpdf -o $@.tmp
+#	mv $@.tmp $@
+#operf-pdf: operf-callgraph.pdf
+
+clean.oprof:
+	rm -rf $(OPROF_OUT_DIR) oprof-callgraph.txt oprof-callgraph.pdf oprof-callgraph.dot
+
+# ---- gcov
+
+clean.gcov:
+	rm -f *.gcda *.gcov
+
+# ---- gprof
+
+clean: clean.gprof
+gprof: gprof.txt
+gprof.txt:
+	gprof $(PROF_EXE_PATH) > $@.tmp
+	mv $@.tmp $@
+gprof-view-txt: gprof.txt
+	less -S $<
+gprof-callgraph.pdf: gmon.out
+	gprof $(PROF_EXE_PATH) | gprof2dot | dot -Tpdf -o $@.tmp
+	mv $@.tmp $@
+gprof-pdf: gprof-callgraph.pdf
+gprof-view-callgraph-pdf: gprof-callgraph.pdf
+	okular $<
+clean.gprof:
+	rm -f gmon.out gprof.txt *.tmp gprof-callgraph.pdf