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libc-test: set a 1.6G max_rss for each test case

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1.4G was the highest value I observed for any test case on x86_64-linux. This
change should prevent OOM conditions in CI.
This commit is contained in:
Alex Rønne Petersen 2025-09-30 18:50:38 +02:00
parent e5ebdf9e41
commit f049ae6d57
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2 changed files with 5 additions and 0 deletions
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2
build.zig
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@ -609,6 +609,8 @@ pub fn build(b: *std.Build) !void {
.optimize_modes = optimization_modes, .optimize_modes = optimization_modes,
.test_filters = test_filters, .test_filters = test_filters,
.test_target_filters = test_target_filters, .test_target_filters = test_target_filters,
// Highest RSS observed in any test case was exactly 1465151488 on x86_64-linux CI.
.max_rss = 1758181785,
})) |test_libc_step| test_step.dependOn(test_libc_step); })) |test_libc_step| test_step.dependOn(test_libc_step);
} }

3
test/src/Libc.zig
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@ -10,6 +10,7 @@ pub const Options = struct {
optimize_modes: []const std.builtin.OptimizeMode, optimize_modes: []const std.builtin.OptimizeMode,
test_filters: []const []const u8, test_filters: []const []const u8,
test_target_filters: []const []const u8, test_target_filters: []const []const u8,
max_rss: usize,
}; };
const TestCase = struct { const TestCase = struct {
@ -100,6 +101,7 @@ pub fn addTarget(libc: *const Libc, target: std.Build.ResolvedTarget) void {
const exe = libc.b.addExecutable(.{ const exe = libc.b.addExecutable(.{
.name = test_case.name, .name = test_case.name,
.root_module = mod, .root_module = mod,
.max_rss = libc.options.max_rss,
}); });
const run = libc.b.addRunArtifact(exe); const run = libc.b.addRunArtifact(exe);
@ -108,6 +110,7 @@ pub fn addTarget(libc: *const Libc, target: std.Build.ResolvedTarget) void {
run.expectStdErrEqual(""); run.expectStdErrEqual("");
run.expectStdOutEqual(""); run.expectStdOutEqual("");
run.expectExitCode(0); run.expectExitCode(0);
run.step.max_rss = libc.options.max_rss;
libc.root_step.dependOn(&run.step); libc.root_step.dependOn(&run.step);
} }