From: Jingyi Wang <wangjingyi11@huawei.com> To: <drjones@redhat.com>, <kvm@vger.kernel.org>, <kvmarm@lists.cs.columbia.edu> Cc: <maz@kernel.org>, <wanghaibin.wang@huawei.com>, <yuzenghui@huawei.com>, <eric.auger@redhat.com>, <wangjingyi11@huawei.com>, <prime.zeng@hisilicon.com> Subject: [kvm-unit-tests PATCH v3 07/10] arm64: microbench: Add time limit for each individual test Date: Fri, 31 Jul 2020 15:42:41 +0800 [thread overview] Message-ID: <20200731074244.20432-8-wangjingyi11@huawei.com> (raw) In-Reply-To: <20200731074244.20432-1-wangjingyi11@huawei.com> Besides using separate running times parameter, we add time limit for loop_test to make sure each test should be done in a certain time(5 sec here). Signed-off-by: Jingyi Wang <wangjingyi11@huawei.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> --- arm/micro-bench.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/arm/micro-bench.c b/arm/micro-bench.c index 93bd855..09d9d53 100644 --- a/arm/micro-bench.c +++ b/arm/micro-bench.c @@ -22,6 +22,7 @@ #include <asm/gic.h> #include <asm/gic-v3-its.h> +#define NS_5_SECONDS (5 * 1000 * 1000 * 1000UL) static u32 cntfrq; static volatile bool irq_ready, irq_received; @@ -267,23 +268,26 @@ static void loop_test(struct exit_test *test) uint64_t start, end, total_ticks, ntimes = 0; struct ns_time total_ns, avg_ns; + total_ticks = 0; if (test->prep) { if(!test->prep()) { printf("%s test skipped\n", test->name); return; } } - isb(); - start = read_sysreg(cntpct_el0); - while (ntimes < test->times) { + + while (ntimes < test->times && total_ns.ns < NS_5_SECONDS) { + isb(); + start = read_sysreg(cntpct_el0); test->exec(); + isb(); + end = read_sysreg(cntpct_el0); + ntimes++; + total_ticks += (end - start); + ticks_to_ns_time(total_ticks, &total_ns); } - isb(); - end = read_sysreg(cntpct_el0); - total_ticks = end - start; - ticks_to_ns_time(total_ticks, &total_ns); avg_ns.ns = total_ns.ns / ntimes; avg_ns.ns_frac = total_ns.ns_frac / ntimes; -- 2.19.1
WARNING: multiple messages have this Message-ID (diff)
From: Jingyi Wang <wangjingyi11@huawei.com> To: <drjones@redhat.com>, <kvm@vger.kernel.org>, <kvmarm@lists.cs.columbia.edu> Cc: maz@kernel.org, prime.zeng@hisilicon.com Subject: [kvm-unit-tests PATCH v3 07/10] arm64: microbench: Add time limit for each individual test Date: Fri, 31 Jul 2020 15:42:41 +0800 [thread overview] Message-ID: <20200731074244.20432-8-wangjingyi11@huawei.com> (raw) In-Reply-To: <20200731074244.20432-1-wangjingyi11@huawei.com> Besides using separate running times parameter, we add time limit for loop_test to make sure each test should be done in a certain time(5 sec here). Signed-off-by: Jingyi Wang <wangjingyi11@huawei.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> --- arm/micro-bench.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/arm/micro-bench.c b/arm/micro-bench.c index 93bd855..09d9d53 100644 --- a/arm/micro-bench.c +++ b/arm/micro-bench.c @@ -22,6 +22,7 @@ #include <asm/gic.h> #include <asm/gic-v3-its.h> +#define NS_5_SECONDS (5 * 1000 * 1000 * 1000UL) static u32 cntfrq; static volatile bool irq_ready, irq_received; @@ -267,23 +268,26 @@ static void loop_test(struct exit_test *test) uint64_t start, end, total_ticks, ntimes = 0; struct ns_time total_ns, avg_ns; + total_ticks = 0; if (test->prep) { if(!test->prep()) { printf("%s test skipped\n", test->name); return; } } - isb(); - start = read_sysreg(cntpct_el0); - while (ntimes < test->times) { + + while (ntimes < test->times && total_ns.ns < NS_5_SECONDS) { + isb(); + start = read_sysreg(cntpct_el0); test->exec(); + isb(); + end = read_sysreg(cntpct_el0); + ntimes++; + total_ticks += (end - start); + ticks_to_ns_time(total_ticks, &total_ns); } - isb(); - end = read_sysreg(cntpct_el0); - total_ticks = end - start; - ticks_to_ns_time(total_ticks, &total_ns); avg_ns.ns = total_ns.ns / ntimes; avg_ns.ns_frac = total_ns.ns_frac / ntimes; -- 2.19.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2020-07-31 7:43 UTC|newest] Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-31 7:42 [kvm-unit-tests PATCH v3 00/10] arm/arm64: Add IPI/LPI/vtimer latency test Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 01/10] arm64: microbench: get correct ipi received num Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 02/10] arm64: microbench: Generalize ipi test names Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 03/10] arm64: microbench: gic: Add ipi latency test for gicv4.1 support kvm Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 04/10] arm64: its: Handle its command queue wrapping Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 05/10] arm64: microbench: its: Add LPI latency test Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 06/10] arm64: microbench: Allow each test to specify its running times Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang [this message] 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 07/10] arm64: microbench: Add time limit for each individual test Jingyi Wang 2020-08-01 16:13 ` Andrew Jones 2020-08-01 16:13 ` Andrew Jones 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 08/10] arm64: microbench: Add vtimer latency test Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-08-01 16:22 ` Andrew Jones 2020-08-01 16:22 ` Andrew Jones 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 09/10] arm64: microbench: Add test->post() to further process test results Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-08-01 17:03 ` Andrew Jones 2020-08-01 17:03 ` Andrew Jones 2020-07-31 7:42 ` [kvm-unit-tests PATCH v3 10/10] arm64: microbench: Add timer_post() to get actual PPI latency Jingyi Wang 2020-07-31 7:42 ` Jingyi Wang 2020-07-31 12:01 ` [kvm-unit-tests PATCH v3 00/10] arm/arm64: Add IPI/LPI/vtimer latency test Andrew Jones 2020-07-31 12:01 ` Andrew Jones 2020-08-03 2:15 ` Jingyi Wang 2020-08-03 2:15 ` Jingyi Wang 2020-08-01 17:40 ` Andrew Jones 2020-08-01 17:40 ` Andrew Jones 2020-08-05 11:54 ` Jingyi Wang 2020-08-05 11:54 ` Jingyi Wang 2020-08-05 12:13 ` Marc Zyngier 2020-08-05 12:13 ` Marc Zyngier 2020-08-11 1:48 ` Jingyi Wang 2020-08-11 1:48 ` Jingyi Wang 2020-08-11 7:49 ` Marc Zyngier 2020-08-11 7:49 ` Marc Zyngier 2020-08-17 1:46 ` Jingyi Wang 2020-08-17 1:46 ` Jingyi Wang 2020-08-17 8:26 ` Marc Zyngier 2020-08-17 8:26 ` Marc Zyngier
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