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new 27ecdd789 testing/ostest: shrink default round-robin getprime test
duration
27ecdd789 is described below
commit 27ecdd789f3e985f68610ea39c0aa3dcd6000d93
Author: Swatantra Yadav <[email protected]>
AuthorDate: Mon Oct 5 23:09:54 2026 +0530
testing/ostest: shrink default round-robin getprime test duration
The round-robin scheduler test runs two threads that calculate prime
numbers up to CONFIG_TESTING_OSTEST_RR_RANGE for
CONFIG_TESTING_OSTEST_RR_RUNS.
Using default range of 30,000 and 10 runs requires billions of
trial-division
loop iterations, causing OSTest to stall for over 5 minutes on slower
targets
such as Cortex-M0/M3 and Raspberry Pi Pico (RP2040).
Restore the default search range to 10,000 (aligning with roundrobin.c
header notes and documentation in
Documentation/applications/testing/ostest/)
and reduce the default number of runs from 10 to 4. This significantly
reduces runtime while providing sufficient time-sliced context switches
to reliably verify round-robin scheduling.
Fixes #3620
Signed-off-by: Swatantra Yadav <[email protected]>
---
testing/ostest/Kconfig | 8 ++++----
testing/ostest/roundrobin.c | 8 ++++----
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/testing/ostest/Kconfig b/testing/ostest/Kconfig
index 357382463..0317e2368 100644
--- a/testing/ostest/Kconfig
+++ b/testing/ostest/Kconfig
@@ -63,7 +63,7 @@ config TESTING_OSTEST_WQUEUE
config TESTING_OSTEST_RR_RANGE
int "Round-robin test - end of search range"
- default 30000
+ default 10000
range 1 32767
---help---
During round-robin scheduling test two threads are created.
Each of the threads
@@ -72,11 +72,11 @@ config TESTING_OSTEST_RR_RANGE
This value specifies the end of search range and together with
number of runs
allows to configure the length of this test - it should last at
least a few
- tens of seconds. Allowed values [1; 32767], default 30000
+ tens of seconds. Allowed values [1; 32767], default 10000
config TESTING_OSTEST_RR_RUNS
int "Round-robin test - number of runs"
- default 10
+ default 4
range 1 32767
---help---
During round-robin scheduling test two threads are created.
Each of the threads
@@ -86,7 +86,7 @@ config TESTING_OSTEST_RR_RUNS
This value specifies the number of times the thread searches
the range for
prime numbers and together with end of search range allows to
configure the
length of this test - it should last at least a few tens of
seconds. Allowed
- values [1; 32767], default 10
+ values [1; 32767], default 4
if ARCH_FPU && SCHED_WAITPID
diff --git a/testing/ostest/roundrobin.c b/testing/ostest/roundrobin.c
index 86af993b8..49984f2f8 100644
--- a/testing/ostest/roundrobin.c
+++ b/testing/ostest/roundrobin.c
@@ -57,11 +57,11 @@
#endif
#ifndef CONFIG_TESTING_OSTEST_RR_RUNS
-# define CONFIG_TESTING_OSTEST_RR_RUNS 10
-# warning "CONFIG_TESTING_OSTEST_RR_RUNS undefined, using default value = 10"
+# define CONFIG_TESTING_OSTEST_RR_RUNS 4
+# warning "CONFIG_TESTING_OSTEST_RR_RUNS undefined, using default value = 4"
#elif (CONFIG_TESTING_OSTEST_RR_RUNS < 1) || (CONFIG_TESTING_OSTEST_RR_RUNS >
32767)
-# define CONFIG_TESTING_OSTEST_RR_RUNS 10
-# warning "Invalid value of CONFIG_TESTING_OSTEST_RR_RUNS, using default
value = 10"
+# define CONFIG_TESTING_OSTEST_RR_RUNS 4
+# warning "Invalid value of CONFIG_TESTING_OSTEST_RR_RUNS, using default
value = 4"
#endif
/****************************************************************************
