perf tools: Allow shuffling the build tests

Those tests take a long time and sometimes we stop it, so allow randomly
shuffling the tests so that we have a better chance of running more of
them in partial 'make build-test' runs.

Using it just on the 'build-test' target, i.e.:

   make -C tools/perf build-test

Is equivalent to:

   make SHUF=1 -C tools/perf -f tests/make

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-ey7461i9q4k8u0987j8guun6@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent cb8382e0
...@@ -78,7 +78,7 @@ clean: ...@@ -78,7 +78,7 @@ clean:
# The build-test target is not really parallel, don't print the jobs info: # The build-test target is not really parallel, don't print the jobs info:
# #
build-test: build-test:
@$(MAKE) -f tests/make --no-print-directory @$(MAKE) SHUF=1 -f tests/make --no-print-directory
# #
# All other targets get passed through: # All other targets get passed through:
......
...@@ -221,6 +221,11 @@ test_O = $(if $(test_$1),$(test_$1),$(test_default_O)) ...@@ -221,6 +221,11 @@ test_O = $(if $(test_$1),$(test_$1),$(test_default_O))
all: all:
ifdef SHUF
run := $(shell shuf -e $(run))
run_O := $(shell shuf -e $(run_O))
endif
ifdef DEBUG ifdef DEBUG
d := $(info run $(run)) d := $(info run $(run))
d := $(info run_O $(run_O)) d := $(info run_O $(run_O))
......
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