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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
commit | 19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch) | |
tree | d59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/test/test-procfs-util.c | |
parent | Initial commit. (diff) | |
download | systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.tar.xz systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.zip |
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/test-procfs-util.c')
-rw-r--r-- | src/test/test-procfs-util.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/test-procfs-util.c b/src/test/test-procfs-util.c new file mode 100644 index 0000000..1d06129 --- /dev/null +++ b/src/test/test-procfs-util.c @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include <errno.h> + +#include "log.h" +#include "parse-util.h" +#include "procfs-util.h" + +int main(int argc, char *argv[]) { + char buf[CONST_MAX(FORMAT_TIMESPAN_MAX, FORMAT_BYTES_MAX)]; + nsec_t nsec; + uint64_t v; + int r; + + log_parse_environment(); + log_open(); + + assert_se(procfs_cpu_get_usage(&nsec) >= 0); + log_info("Current system CPU time: %s", format_timespan(buf, sizeof(buf), nsec/NSEC_PER_USEC, 1)); + + assert_se(procfs_memory_get_used(&v) >= 0); + log_info("Current memory usage: %s", format_bytes(buf, sizeof(buf), v)); + + assert_se(procfs_tasks_get_current(&v) >= 0); + log_info("Current number of tasks: %" PRIu64, v); + + assert_se(procfs_tasks_get_limit(&v) >= 0); + log_info("Limit of tasks: %" PRIu64, v); + assert_se(v > 0); + assert_se(procfs_tasks_set_limit(v) >= 0); + + if (v > 100) { + uint64_t w; + r = procfs_tasks_set_limit(v-1); + assert_se(IN_SET(r, 0, -EPERM, -EACCES, -EROFS)); + + assert_se(procfs_tasks_get_limit(&w) >= 0); + assert_se((r == 0 && w == v - 1) || (r < 0 && w == v)); + + assert_se(procfs_tasks_set_limit(v) >= 0); + + assert_se(procfs_tasks_get_limit(&w) >= 0); + assert_se(v == w); + } + + return 0; +} |