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* | | sched: extend sched_task_load tracepoint to indicate sync wakeupSteve Muckle2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Sync wakeups provide a hint to the scheduler about upcoming task activity. Knowing which wakeups are sync wakeups from logs will assist in workload analysis. Change-Id: I6ffe73f2337e56b8234d4097069d5d70ab045eda Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
* | | sched: trace: extend sched_cpu_load to print irqloadSteve Muckle2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | The irqload is used in determining whether CPUs are mostly idle so it is useful to know this value while viewing scheduler traces. Change-Id: Icbb74fc1285be878f254ae54886bdb161b14a270 Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
* | | sched: update governor notification logicSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Make criteria for notifying governor to be per-cpu. Governor is notified of any large change in cpu's busy time statistics (rq->prev_runnable_sum) since the last reported value. Change-Id: I727354d994d909b166d093b94d3dade7c7dddc0d Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
* | | sched: window-stats: Enhance cpu busy time accountingSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | rq->curr/prev_runnable_sum counters represent cpu demand from various tasks that have run on a cpu. Any task that runs on a cpu will have a representation in rq->curr_runnable_sum. Their partial_demand value will be included in rq->curr_runnable_sum. Since partial_demand is derived from historical load samples for a task, rq->curr_runnable_sum could represent "inflated/un-realistic" cpu usage. As an example, lets say that task with partial_demand of 10ms runs for only 1ms on a cpu. What is included in rq->curr_runnable_sum is 10ms (and not the actual execution time of 1ms). This leads to cpu busy time being reported on the upside causing frequency to stay higher than necessary. This patch fixes cpu busy accounting scheme to strictly represent actual usage. It also provides for conditional fixup of busy time upon migration and upon heavy-task wakeup. CRs-Fixed: 691443 Change-Id: Ic4092627668053934049af4dfef65d9b6b901e6b Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org> Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org> [joonwoop@codeaurora.org: fixed conflict in init_task_load(), se.avg.decay_count has deprecated.] Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
* | | sched: window-stats: ftrace event improvementsSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add two new ftrace event: * trace_sched_freq_alert, to log notifications sent to governor for requesting change in frequency. * trace_sched_get_busy, to log cpu busytime information returned by scheduler Extend existing ftrace events as follows: * sched_update_task_ravg() event to log irqtime parameter * sched_migration_update_sum() to log threadid which is being migrated (and thus responsible for update of curr_runnable_sum and prev_runnable_sum counters) Change-Id: Ia68ce0953a2d21d319a1db7f916c51ff6a91557c Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
* | | sched: extend sched_task_load tracepoint to indicate small tasksSyed Rameez Mustafa2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While debugging its always useful to know whether a task is small or not to determine the scheduling algorithm being used. Have the sched_task_load tracepoint indicate this information rather than having to do manual calculations for every task placement. Change-Id: Ibf390095f05c7da80df1ebfe00f4c5af66c97d12 Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
* | | sched: Add C-state tracking to the sched_cpu_load trace eventSyed Rameez Mustafa2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | C-state information is used by the scheduler for small task placement decisions. Track this information in the sched_cpu_load trace event. Also add the trace event in best_small_task_cpu(). This will help better understand small task placement decisions. Change-Id: Ife5f05bba59f85c968fab999bd13b9fb6b1c184e Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
* | | sched: window-stats: Remove unused prev_window variableSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | Remove unused prev_window variable in 'struct ravg' Change-Id: I22ec040bae6fa5810f9f8771aa1cb873a2183746 Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
* | | sched: Make RAVG_HIST_SIZE tunableOlav Haugan2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make RAVG_HIST_SIZE available from /proc/sys/kernel/sched_ravg_hist_size to allow tuning of the size of the history that is used in computation of task demand. CRs-fixed: 706138 Change-Id: Id54c1e4b6e974a62d787070a0af1b4e8ce3b4be6 Signed-off-by: Olav Haugan <ohaugan@codeaurora.org> [joonwoop@codeaurora.org: fixed minor conflict in sysctl.h] Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
* | | sched: Extend ftrace event to record boost and reason codeSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new ftrace event to record changes to boost setting. Also extend sched_task_load() ftrace event to record boost setting and reason code passed to select_best_cpu(). This will be useful for debug purpose. Change-Id: Idac72f86d954472abe9f88a8db184343b7730287 Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
* | | sched: Add new trace eventsSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add trace events for update_task_ravg(), update_history(), and set_task_cpu(). These tracepoints are useful for monitoring the per-task and per-runqueue demand statistics. Change-Id: Ibec9f945074ff31d1fc1a76ae37c40c8fea8cda9 Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
* | | sched: add affinity, task load information to sched tracepointsSteve Muckle2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Knowing the affinity mask and CPU usage of a task is helpful in understanding the behavior of the system. Affinity information has been added to the enq_deq trace event, and the migration tracepoint now reports the load of the task migrated. Change-Id: I29d8a610292b4dfeeb8fe16174e9d4dc196649b7 Signed-off-by: Steve Muckle <smuckle@codeaurora.org> Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org>
* | | sched: Update sched_enq_deq_task ftrace eventSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | Extend sched_enq_deq_task ftrace event to record task's runnable_avg_sum_scaled, runnable_avg_period and demand metrics. This will be a valuable debug aid. Change-Id: I8deda0df0105cf97a3178cded96473d541e0d78a Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
* | | sched: Add additional ftrace eventsSrivatsa Vaddagiri2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds two ftrace events: sched_task_load -> records information of a task, such as scaled demand sched_cpu_load -> records information of a cpu, such as nr_running, nr_big_tasks etc This will be useful to debug HMP related task placement decisions by scheduler. Change-Id: If91587149bcd9bed157b5d2bfdecc3c3bf6652ff Signed-off-by: Srivatsa Vaddagiri <vatsa@codeaurora.org>
* | | tracing/sched: add load balancer tracepointSteve Muckle2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When doing performance analysis it can be useful to see exactly what is going on with the load balancer - when it runs and why exactly it may not be redistributing load. This additional tracepoint will show the idle context of the load balance operation (idle, not idle, newly idle), various values from the load balancing operation, the final result, and the new balance interval. Change-Id: I1538c411c5f9d17d7d37d84ead6210756be2d884 Signed-off-by: Steve Muckle <smuckle@codeaurora.org> [rameezmustafa@codeaurora.org: Initialize variables in load_balance() to avoid crashes and inaccurate tracing.] Signed-off-by: Syed Rameez Mustafa <rameezmustafa@codeaurora.org> [joonwoop@codeaurora.org: fixed minor conflict in include/trace/events/sched.h.] Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
* | | tracing/sched: Track per-cpu rt and non-rt cpu_load.Arun Bharadwaj2016-03-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new tracepoint trace_sched_enq_deq_task to track per-cpu rt and non-rt cpu_load during task enqueue and dequeue. This is useful to visualize and compare the load on different cpus and also to understand how balanced the load is at any point of time. Note: We only print cpu_load[0] because we only care about the most recent load history for tracking load balancer effectiveness. Change-Id: I46f0bb84e81652099ed5edf8c2686c70c8b8330c Signed-off-by: Arun Bharadwaj <abharadw@codeaurora.org>
* | | iommu: Change trace unmap api to report unmapped sizeShuah Khan2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently map and unmap are implemented as events under a common trace class declaration. The common class forces trace_unmap() to require a bogus physical address argument that it doesn't use. Changing unmap to report unmapped size will provide useful information for debugging. Remove common map_unmap trace class and change map and unmap into separate events as opposed to events under the same class to allow for differences in the reporting information. In addition, map and unmap are changed to handle size value as size_t instead of int to match the passed size value and avoid overflow. Change-Id: Ic231e28c2784fbfe41a6749175cc390920165e81 Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Suggested-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Joerg Roedel <jroedel@suse.de> [pdaly@codeaurora.org Keep map_unmap class]
* | | iommu: add ftrace profiling for map and unmapLiam Mark2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | Add ftrace start and end logging for map, iommu_map_sg and unmap in order to facilitate performance testing. Change-Id: I9ddf241ffa6cf519f6abece7b0820640f5ce1975 Signed-off-by: Liam Mark <lmark@codeaurora.org>
* | | iommu: Sync files for kernel upgradePatrick Daly2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reset the following files: arm-smmu.c iommu.c include/linux/iommu.h include/trace/events/iommu.h to the git merge base between 3.18 and 4.4: b2776bf7149bddd1f4161f14f79520f17fc1d71d Change-Id: I9aa58e08125e3a72d1e9742e26d4a6fab34b0ed5 Signed-off-by: Patrick Daly <pdaly@codeaurora.org>
* | | soc: qcom: idle: Snapshot of idle/sleep driver as of msm-3.18Mahesh Sivasubramanian2016-03-22
| | | | | | | | | | | | | | | | | | | | | This is a snapshot of the Sleep driver and realted functionality as of e70ad0cd5efdd9dc91a77dcdac31d6132e1315c1 on msm-3.18 branch Change-Id: I98fec26849898c5c66abbb1b094439780c23964d
* | | ion: add snapshot of ion support for MSMKumar Gala2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a snapshot of the ION support as of msm-3.10 commit acdce027751d5a7488b283f0ce3111f873a5816d (Merge "defconfig: arm64: Enable ONESHOT_SYNC for msm8994") In addition, comment out the shrinker code and skip-zeroing bits as they aren't yet in the tree. Change-Id: Id9e1e7fa4c35ce5a9f9348837f05f002258865cf Signed-off-by: Kumar Gala <galak@codeaurora.org> [mitchelh: dropped MSM changes to ion_chunk_heap, dropped MSM changes to ion_carveout_heap] Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
* | | platform: msm: msm_bus: Add support for bus scalingDavid Dai2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | This snapshot is taken as of msm-3.18 commit 1513280 (Merge "platform: msm: msm_bus: Fix memory leak during client unregister)" Change Kconfig option to say QCOM_BUS* instead of MSM_BUS* Change-Id: I6dd9aba5b26984a914714ca49ae7253c1f267b4b Signed-off-by: David Dai <daidavid1@codeaurora.org>
* | | scsi: ufs: use symbolic print for tracingGilad Broner2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Passing strings instead of enums for tracing events uses more of the tracing buffer. Instead, pass the enum integer value and convert to string when tracing event is formated using the __print_symbolic() macro. Change-Id: I91c4374fd079c6ea150373548975f2b259eb2d59 Signed-off-by: Gilad Broner <gbroner@codeaurora.org> [subhashj@codeaurora.org: resolved trivial merge conflicts] Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> [venkatg@codeaurora.org: resolved trivial merge conflicts] Signed-off-by: Venkat Gopalakrishnan <venkatg@codeaurora.org>
* | | tracing: ufs: create a trace event class template for common eventsGilad Broner2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The following three trace events: ufshcd_clk_gating, ufshcd_hibern8_on_idle and ufshcd_auto_bkops_state share the same arguments and meaning - logging some state change in the UFS driver. Defining those as template instances takes up less memory compared to be defined as separate trace events. Change-Id: I92c2bf3eada6f876b8c9e8a7bfc4568c7886548f Signed-off-by: Gilad Broner <gbroner@codeaurora.org>
* | | scsi: ufs: add trace event for ufs commandsLee Susman2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Use the ftrace infrastructure to conditionally trace ufs command events. New trace event is created, which samples the following ufs command data: - device name - optional identification string - task tag - doorbell register - number of transfer bytes - interrupt status register - request start LBA - command opcode Currently we only fully trace read(10) and write(10) commands. All other commands which pass through ufshcd_send_command() will be printed with "-1" in the lba and transfer_len fields. Usage: echo 1 > /sys/kernel/debug/tracing/events/ufs/enable cat /sys/kernel/debug/tracing/trace_pipe Change-Id: Id6e16a8c0b2a833c5453ed9923384f641e374a71 Signed-off-by: Lee Susman <lsusman@codeaurora.org> [gbroner@codeaurora.org: fix merge conflict] Signed-off-by: Gilad Broner <gbroner@codeaurora.org> [subhashj@codeaurora.org: resolved merge conflicts and compilation error] Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
* | | scsi: ufs: add time profiling supportSubhash Jadavani2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | This patch adds the profiling support for some of the time critical operations like hibern8 enter/exit, clock gating & clock scaling. Change-Id: I4dde1078dcd2af47f051639b03c44c423ee344fa Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
* | | scsi: ufs: add support for hibern8 on idleSubhash Jadavani2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In order to save power we should put the UFS link into hibern8 as soon as UFS link is idle and power measurement of active usecases (like audio/video playback/recording) show that putting UFS link in hibern8 @ 10ms of idle (if not earlier) would save significant power. Our current available solution is to do hibern8 with clock gating @idle timeout of 150ms. As clock gating has huge latencies (7ms each in enter and exit), we cannot bring down the idle timeout to <=10ms without degrading UFS throughput. Hence this change has added support to enter into hibern8 with another idle timer. Change-Id: I5a31f18fc21015d4a68236da9fd94f3f016e1d44 Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> [subhashj@codeaurora.org: resolved trivial merge conflicts] Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
* | | scsi: ufs: add additional tracing messagesSubhash Jadavani2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds following tracing messages: - Add support to trace the automatic background operations enable/disable events. - Add addition logs to trace the UFS device and UFS link state during suspend/resume and initialization. Change-Id: I732b255296042442e50278c2700c52bd166e1d8b Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org> [subhashj@codeaurora.org: resolved trivial merge conflicts] Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
* | | scsi: ufs: Add support for clock scaling using devfreq frameworkSahitya Tummala2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The clocks for UFS device will be managed by generic DVFS (Dynamic Voltage and Frequency Scaling) framework within kernel. This devfreq framework works with different governors to scale the clocks. By default, UFS devices uses simple_ondemand governor which scales the clocks up if the load is more than upthreshold and scales down if the load is less than downthreshold. Change-Id: I1c3944a5b1771b967c1df3e441a75fd584d6e2a5 Signed-off-by: Sahitya Tummala <stummala@codeaurora.org> [gbroner@codeaurora.org: fix usage of devfreq governor data] Signed-off-by: Gilad Broner <gbroner@codeaurora.org> [subhashj@codeaurora.org: resolved merge conflicts, dropped most of the changes as they are already present on baseline] Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
* | | scsi: ufs: Add support for clock gatingSahitya Tummala2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The UFS controller clocks can be gated after certain period of inactivity, which is typically less than runtime suspend timeout. In addition to clocks the link will also be put into Hibern8 mode to save more power. The clock gating can be turned on by enabling the capability UFSHCD_CAP_CLK_GATING. To enable entering into Hibern8 mode as part of clock gating, set the capability UFSHCD_CAP_HIBERN8_WITH_CLK_GATING. The tracing events for clock gating can be enabled through debugfs as: echo 1 > /sys/kernel/debug/tracing/events/ufs/ufshcd_clk_gating/enable cat /sys/kernel/debug/tracing/trace_pipe Change-Id: I3e5e7e78130941ad7109fc05a46d7c3720245a1a Signed-off-by: Sahitya Tummala <stummala@codeaurora.org> [gbroner@codeaurora.org: fix merge conflicts] Signed-off-by: Gilad Broner <gbroner@codeaurora.org> [subhashj@codeaurora.org: resolved merge conflicts, dropped most of the changes as they are already present on baseline] Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
* | | scsi: ufs: add trace support for ufs power managementSujit Reddy Thumma2016-03-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add ftrace support for profiling ufs power management latencies. Usage: echo 1 > /sys/kernel/debug/tracing/events/ufs/enable cat /sys/kernel/debug/tracing/trace_pipe Change-Id: If5c063179cc69a500d4902eb00b4ca3dc16e27f0 Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org> [subhashj@codeaurora.org: resolved trivial merge conflicts] Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
* | | trace: power: Add clock_set_rate_complete and clock_state trace eventsColin Cross2016-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The clock_set_rate_complete even is used to monitor the latency of the clk_set_rate API, and the clock_state event is used to add support in debugfs to take a snapshot of all the clocks present and their current state to ftrace. This is a squash of the following commits: 1. clk: qcom: Add support to record clock state using ftrace 2. tracing: power: Define clock_set_rate_complete trace event Signed-off-by: Taniya Das <tdas@codeaurora.org>
* | | qpnp: Add snapshot of some qpnp, regulator and charger driversAbhijeet Dharmapurikar2016-03-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | This snapshot is taken as of msm-3.18 commit 9da4ddc (Merge "clk: msm: clock-gcc: Associate gfx rail voting with gfx3d branch") Change-Id: Idd2f467f1f1863a156d1757589dfe78158f0e43f Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
* | | soc: qcom: Add snapshot of RPM SMD DriverKarthikeyan Ramasubramanian2016-03-01
|/ / | | | | | | | | | | | | This snapshot is taken as of msm-3.18 commit e70ad0cd (Promotion of kernel.lnx.3.18-151201.) Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
* | trace: power: add trace_clock_set_parentColin Cross2016-02-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Adds a new trace event to be called from clk_set_parent. Some cpufreq drivers, including Tegra, reparent the cpu clock to a slower clock while the main pll is relocking, tracing clk_set_parent allows traces to show how for long the cpu is running slower. Uses a separate TRACE_EVENT instead of the clock event class to allow the event to contain string names for the child and the parent. Signed-off-by: Colin Cross <ccross@android.com>
* | trace: cpufreq: Add tracing for min/max cpufreqRuchi Kandoi2016-02-16
| | | | | | | | | | Change-Id: I73f6ec437c1f805437d9376abb6510d1364b07ec Signed-off-by: Ruchi Kandoi <kandoiruchi@google.com>
* | tracing/sched: Add trace events to track cpu hotplug.Arun Bharadwaj2016-02-16
| | | | | | | | | | | | | | | | | | | | | | Add ftrace event trace_sched_cpu_hotplug to track cpu hot-add and hot-remove events. This is useful in a variety of power, performance and debug analysis scenarios. Change-Id: I5d202c7a229ffacc3aafb7cf9afee0b0ee7b0931 Signed-off-by: Arun Bharadwaj <abharadw@codeaurora.org>
* | mmc: Add tracepoints of mmc block operationsKen Sumrall2016-02-16
| | | | | | | | | | | | | | | | | | | | Add tracepoints to record the start and end of each mmc block operation. This includes read, write, erase, secure erase, trim, secure trim1 and secure trim 2, discard and sanitize commands. Change-Id: Ic5d1cbdb9adb940d8b1a2a13c73970023575df50 Signed-off-by: Ken Sumrall <ksumrall@android.com>
* | trace/events: fix gpu event timestamp formattingJamie Gennis2016-02-16
| | | | | | | | | | | | | | This change fixes the how the gpu_sched_switch timestamp field is formatted. Signed-off-by: Jamie Gennis <jgennis@google.com> Change-Id: I273234935254ed15772c9e561c9af20e480004ae
* | trace/events: add gpu trace eventsJamie Gennis2016-02-16
| | | | | | | | | | Change-Id: I0607b9c776acf61cb796b8572cf8cfb8b2dc1377 Signed-off-by: Jamie Gennis <jgennis@google.com>
* | cpufreq: interactive: trace actual speed in target speed decisionsTodd Poynor2016-02-16
| | | | | | | | | | | | | | | | Tracing adds actual speed since this is expected to be key to the choice of target speed. Change-Id: Iec936102d0010c4e9dfa143c38a9fd0d551189c3 Signed-off-by: Todd Poynor <toddpoynor@google.com>
* | cpufreq: interactive: handle speed up and down in the realtime taskTodd Poynor2016-02-16
| | | | | | | | | | | | | | | | Not useful to have a separate, non-realtime workqueue for speed down events, avoid priority inversion for speed up events. Change-Id: Iddcd05545245c847aa1bbe0b8790092914c813d2 Signed-off-by: Todd Poynor <toddpoynor@google.com>
* | cpufreq: interactive: fixup trace of string paramsTodd Poynor2016-02-16
| | | | | | | | | | Change-Id: Iac47f62437e61b13724afbbf9df1a0729f58f236 Signed-off-by: Todd Poynor <toddpoynor@google.com>
* | cpufreq: interactive: add boost pulse interfaceTodd Poynor2016-02-16
| | | | | | | | | | Change-Id: Icf1e86d2065cc8f0816ba9c6b065eb056d4e8249 Signed-off-by: Todd Poynor <toddpoynor@google.com>
* | cpufreq: interactive: Add sysfs boost interface for hints from userspaceTodd Poynor2016-02-16
| | | | | | | | | | | | | | The explicit hint on/off version. Change-Id: Ibf62b6d45bf6fb8c9c055b9bdaf074ce9374c04f Signed-off-by: Todd Poynor <toddpoynor@google.com>
* | cpufreq: interactive: Boost frequency on touchscreen inputTodd Poynor2016-02-16
| | | | | | | | | | | | | | | | | | | | | | Based on previous patches by Tero Kristo <tero.kristo@nokia.com>, Brian Steuer <bsteuer@codeaurora.org>, David Ng <dave@codeaurora.org>, Antti P Miettinen <amiettinen@nvidia.com>, and Thomas Renninger <trenn@suse.de> Change-Id: Ic55fedcf6f9310f43a7022fb88e23b0392122769 Signed-off-by: Todd Poynor <toddpoynor@google.com>
* | cpufreq interactive governor: event tracingTodd Poynor2016-02-16
| | | | | | | | | | Change-Id: Ic13614a3da2faa2d4bd215ca3eb7191614f0cf66 Signed-off-by: Todd Poynor <toddpoynor@google.com>
* | sched: add sched blocked tracepoint which dumps out context of sleep.Riley Andrews2016-02-16
|/ | | | | | | | | Decare war on uninterruptible sleep. Add a tracepoint which walks the kernel stack and dumps the first non-scheduler function called before the scheduler is invoked. Change-Id: I19e965d5206329360a92cbfe2afcc8c30f65c229 Signed-off-by: Riley Andrews <riandrews@google.com>
* Merge branch 'next' of ↵Linus Torvalds2015-11-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux Pull thermal updates from Zhang Rui: - Implement generic devfreq cooling mechanism through frequency reduction for devices using devfreq. From Ørjan Eide and Javi Merino. - Introduce OMAP3 support on TI SoC thermal driver. From Pavel Mack and Eduardo Valentin. - A bounch of small fixes on devfreq_cooling, Exynos, IMX, Armada, and Rockchip thermal drivers. * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (24 commits) thermal: exynos: Directly return 0 instead of using local ret variable thermal: exynos: Remove unneeded semicolon thermal: exynos: Use IS_ERR() because regulator cannot be NULL thermal: exynos: Fix first temperature read after registering sensor thermal: exynos: Fix unbalanced regulator disable on probe failure devfreq_cooling: return on allocation failure thermal: rockchip: support the sleep pinctrl state to avoid glitches in s2r dt-bindings: rockchip-thermal: Add the pinctrl states in this document thermal: devfreq_cooling: Make power a u64 thermal: devfreq_cooling: use a thermal_cooling_device for register and unregister thermal: underflow bug in imx_set_trip_temp() thermal: armada: Fix possible overflow in the Armada 380 thermal sensor formula thermal: imx: register irq handler later in probe thermal: rockhip: fix setting thermal shutdown polarity thermal: rockchip: fix handling of invalid readings devfreq_cooling: add trace information thermal: Add devfreq cooling PM / OPP: get the voltage for all OPPs tools/thermal: tmon: use pkg-config also for CFLAGS linux/thermal.h: rename KELVIN_TO_CELSIUS to DECI_KELVIN_TO_CELSIUS ...
| * devfreq_cooling: add trace informationJavi Merino2015-10-30
| | | | | | | | | | | | | | | | | | | | | | | | Tracing is useful for debugging and performance tuning. Add similar traces to what's present in the cpu cooling device. Cc: Zhang Rui <rui.zhang@intel.com> Cc: Eduardo Valentin <edubezval@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Javi Merino <javi.merino@arm.com> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-24 19:57:26 +0000