On Wed, Feb 14, 2024 at 12:43:35PM +0200, Raag Jadav wrote: > On Tue, Feb 13, 2024 at 02:06:48PM -0600, Bjorn Helgaas wrote: > > On Mon, Feb 12, 2024 at 12:02:33PM +0530, Raag Jadav wrote: ... > > > 0) | pm_runtime_work() { > > > 0) | rpm_idle() { > > > 0) | rpm_check_suspend_allowed() { > > > 0) 1.500 us | __dev_pm_qos_resume_latency(); /* = 0x7fffffff */ > > > 0) 4.840 us | } /* rpm_check_suspend_allowed = 0x0 */ > > > 0) 1.550 us | __rpm_get_callback(); /* = 0xffffffffb4bc84f0 */ > > > 0) 1.800 us | pci_pm_runtime_idle(); /* = -38 */ > > > 0) + 17.070 us | } /* rpm_idle = -38 */ > > > 0) + 22.450 us | } /* pm_runtime_work = -38 */ > > > > What is this timing information telling me? > > It's a raw ftrace dump. (Told ya that people would be surprised with this without seeing how you get this and what fields mean) -- With Best Regards, Andy Shevchenko