mirror of https://gitlab.com/qemu-project/qemu
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20c2345290
Make access to main HPET counter lock-less. In unlikely event of an update in progress, readers will busy wait untill update is finished. As result micro benchmark of concurrent reading of HPET counter with large number of vCPU shows over 80% better (less) latency. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com> Link: https://lore.kernel.org/r/20250814160600.2327672-6-imammedo@redhat.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
1 week ago | |
|---|---|---|
| .. | ||
| Kconfig | 6 months ago | |
| a9gtimer.c | 5 months ago | |
| allwinner-a10-pit.c | 5 months ago | |
| arm_mptimer.c | 5 months ago | |
| arm_timer.c | 5 months ago | |
| armv7m_systick.c | 5 months ago | |
| aspeed_timer.c | 5 months ago | |
| avr_timer16.c | 5 months ago | |
| bcm2835_systmr.c | 5 months ago | |
| cadence_ttc.c | 5 months ago | |
| cmsdk-apb-dualtimer.c | 5 months ago | |
| cmsdk-apb-timer.c | 5 months ago | |
| digic-timer.c | 5 months ago | |
| exynos4210_mct.c | 5 months ago | |
| exynos4210_pwm.c | 5 months ago | |
| grlib_gptimer.c | 5 months ago | |
| hpet.c | 1 week ago | |
| i8254.c | 5 months ago | |
| i8254_common.c | 5 months ago | |
| ibex_timer.c | 5 months ago | |
| imx_epit.c | 5 months ago | |
| imx_gpt.c | 5 months ago | |
| meson.build | 6 months ago | |
| mips_gictimer.c | 4 years ago | |
| mss-timer.c | 5 months ago | |
| npcm7xx_timer.c | 5 months ago | |
| nrf51_timer.c | 5 months ago | |
| pxa2xx_timer.c | 4 months ago | |
| renesas_cmt.c | 5 months ago | |
| renesas_tmr.c | 5 months ago | |
| sh_timer.c | 5 months ago | |
| sifive_pwm.c | 5 months ago | |
| slavio_timer.c | 5 months ago | |
| sse-counter.c | 5 months ago | |
| sse-timer.c | 5 months ago | |
| stellaris-gptm.c | 5 months ago | |
| stm32f2xx_timer.c | 5 months ago | |
| trace-events | 7 months ago | |
| trace.h | 5 years ago | |
| xilinx_timer.c | 5 months ago | |