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Convert -j to a reasonable parallelism for kati 

When running makeparallel in non-ninja mode, which is used when running
kati with USE_GOMA=true, convert -j to a reasonable parallelism value
the same way ninja does.

Bug: 34392351
Test: make -C build/make/tools/makeparallel makeparallel_test
Change-Id: I9aee4dd2a3b0f2b1c2c10087be83f7b2b06f4368
This commit is contained in:
Colin Cross 2017-01-18 14:38:20 -08:00
parent ce0bae2f47
commit ba55c623cb
2 changed files with 20 additions and 7 deletions
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9
tools/makeparallel/Makefile
View File

@ -65,8 +65,9 @@ MAKEPARALLEL_NINJA_TEST := MAKEFLAGS= MAKELEVEL= MAKEPARALLEL="$(MAKEPARALLEL) -
makeparallel_test: $(MAKEPARALLEL)
@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) -j1234
@EXPECTED="-j123" $(MAKEPARALLEL_TEST) -j123
@EXPECTED="-j1" $(MAKEPARALLEL_TEST) -j1
@EXPECTED="-j1" $(MAKEPARALLEL_TEST)
@EXPECTED="" $(MAKEPARALLEL_TEST) -j1
@EXPECTED="-j$$(($$(nproc) + 2))" $(MAKEPARALLEL_TEST) -j
@EXPECTED="" $(MAKEPARALLEL_TEST)
@EXPECTED="-j1234" $(MAKEPARALLEL_NINJA_TEST) -j1234
@EXPECTED="-j123" $(MAKEPARALLEL_NINJA_TEST) -j123
@ -87,8 +88,6 @@ makeparallel_test: $(MAKEPARALLEL)
@EXPECTED="-j1234 -k0" $(MAKEPARALLEL_NINJA_TEST) -j1234 -k
@EXPECTED="-j1234 -k0" $(MAKEPARALLEL_NINJA_TEST) -kt -j1234
@EXPECTED="-j1" $(MAKEPARALLEL_TEST) A=-j1234
@EXPECTED="-j1" $(MAKEPARALLEL_TEST) A\ -j1234=-j1234
@EXPECTED="-j1234" $(MAKEPARALLEL_TEST) A\ -j1234=-j1234 -j1234
@EXPECTED="" $(MAKEPARALLEL_TEST) A=-j1234
@EXPECTED="-j1234 args" ARGS="args" $(MAKEPARALLEL_TEST) -j1234

18
tools/makeparallel/makeparallel.cpp
View File

@ -317,13 +317,27 @@ int main(int argc, char* argv[]) {
}
}
std::string jarg = "-j" + std::to_string(tokens + 1);
std::string jarg;
if (parallel) {
if (tokens == 0) {
if (ninja) {
// ninja is parallel by default
jarg = "";
} else {
// make -j with no argument, guess a reasonable parallelism like ninja does
jarg = "-j" + std::to_string(sysconf(_SC_NPROCESSORS_ONLN) + 2);
}
} else {
jarg = "-j" + std::to_string(tokens + 1);
}
}
if (ninja) {
if (!parallel) {
// ninja is parallel by default, pass -j1 to disable parallelism if make wasn't parallel
args.push_back(strdup("-j1"));
} else if (tokens > 0) {
} else {
args.push_back(strdup(jarg.c_str()));
}
if (keep_going) {