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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /tools/perf/tests/subcmd-help.c
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'tools/perf/tests/subcmd-help.c')
-rw-r--r--tools/perf/tests/subcmd-help.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/tools/perf/tests/subcmd-help.c b/tools/perf/tests/subcmd-help.c
new file mode 100644
index 000000000..9da96a16f
--- /dev/null
+++ b/tools/perf/tests/subcmd-help.c
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0
+#include "tests.h"
+#include <linux/compiler.h>
+#include <subcmd/help.h>
+
+static int test__load_cmdnames(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ struct cmdnames cmds = {};
+
+ add_cmdname(&cmds, "aaa", 3);
+ add_cmdname(&cmds, "foo", 3);
+ add_cmdname(&cmds, "xyz", 3);
+
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "aaa") == 1);
+ TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds, "bar") == 0);
+ TEST_ASSERT_VAL("case sensitive", is_in_cmdlist(&cmds, "XYZ") == 0);
+
+ clean_cmdnames(&cmds);
+ return TEST_OK;
+}
+
+static int test__uniq_cmdnames(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ struct cmdnames cmds = {};
+
+ /* uniq() assumes it's sorted */
+ add_cmdname(&cmds, "aaa", 3);
+ add_cmdname(&cmds, "aaa", 3);
+ add_cmdname(&cmds, "bbb", 3);
+
+ TEST_ASSERT_VAL("invalid original size", cmds.cnt == 3);
+ /* uniquify command names (to remove second 'aaa') */
+ uniq(&cmds);
+ TEST_ASSERT_VAL("invalid final size", cmds.cnt == 2);
+
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "aaa") == 1);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "bbb") == 1);
+ TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds, "ccc") == 0);
+
+ clean_cmdnames(&cmds);
+ return TEST_OK;
+}
+
+static int test__exclude_cmdnames(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ struct cmdnames cmds1 = {};
+ struct cmdnames cmds2 = {};
+
+ add_cmdname(&cmds1, "aaa", 3);
+ add_cmdname(&cmds1, "bbb", 3);
+ add_cmdname(&cmds1, "ccc", 3);
+ add_cmdname(&cmds1, "ddd", 3);
+ add_cmdname(&cmds1, "eee", 3);
+ add_cmdname(&cmds1, "fff", 3);
+ add_cmdname(&cmds1, "ggg", 3);
+ add_cmdname(&cmds1, "hhh", 3);
+ add_cmdname(&cmds1, "iii", 3);
+ add_cmdname(&cmds1, "jjj", 3);
+
+ add_cmdname(&cmds2, "bbb", 3);
+ add_cmdname(&cmds2, "eee", 3);
+ add_cmdname(&cmds2, "jjj", 3);
+
+ TEST_ASSERT_VAL("invalid original size", cmds1.cnt == 10);
+ TEST_ASSERT_VAL("invalid original size", cmds2.cnt == 3);
+
+ /* remove duplicate command names in cmds1 */
+ exclude_cmds(&cmds1, &cmds2);
+
+ TEST_ASSERT_VAL("invalid excluded size", cmds1.cnt == 7);
+ TEST_ASSERT_VAL("invalid excluded size", cmds2.cnt == 3);
+
+ /* excluded commands should not belong to cmds1 */
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "aaa") == 1);
+ TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "bbb") == 0);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ccc") == 1);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ddd") == 1);
+ TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "eee") == 0);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "fff") == 1);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ggg") == 1);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "hhh") == 1);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "iii") == 1);
+ TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "jjj") == 0);
+
+ /* they should be only in cmds2 */
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "bbb") == 1);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "eee") == 1);
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "jjj") == 1);
+
+ clean_cmdnames(&cmds1);
+ clean_cmdnames(&cmds2);
+ return TEST_OK;
+}
+
+static int test__exclude_cmdnames_no_overlap(struct test_suite *test __maybe_unused,
+ int subtest __maybe_unused)
+{
+ struct cmdnames cmds1 = {};
+ struct cmdnames cmds2 = {};
+
+ add_cmdname(&cmds1, "read-vdso32", 11);
+ add_cmdname(&cmds2, "archive", 7);
+
+ TEST_ASSERT_VAL("invalid original size", cmds1.cnt == 1);
+ TEST_ASSERT_VAL("invalid original size", cmds2.cnt == 1);
+
+ exclude_cmds(&cmds1, &cmds2);
+
+ TEST_ASSERT_VAL("invalid excluded size", cmds1.cnt == 1);
+ TEST_ASSERT_VAL("invalid excluded size", cmds2.cnt == 1);
+
+ TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "read-vdso32") == 1);
+ TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "archive") == 0);
+
+ clean_cmdnames(&cmds1);
+ clean_cmdnames(&cmds2);
+ return TEST_OK;
+}
+
+static struct test_case tests__subcmd_help[] = {
+ TEST_CASE("Load subcmd names", load_cmdnames),
+ TEST_CASE("Uniquify subcmd names", uniq_cmdnames),
+ TEST_CASE("Exclude duplicate subcmd names", exclude_cmdnames),
+ TEST_CASE("Exclude disjoint subcmd names", exclude_cmdnames_no_overlap),
+ { .name = NULL, }
+};
+
+struct test_suite suite__subcmd_help = {
+ .desc = "libsubcmd help tests",
+ .test_cases = tests__subcmd_help,
+};