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2021-02-04soc / drm: mediatek: Move mtk mutex driver to soc folderCK Hu7-7/+16
mtk mutex is used by DRM and MDP driver, and its function is SoC-specific, so move it to soc folder. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org> Acked-by: Matthias Brugger <matthias.bgg@gmail.com>
2021-02-04drm/mediatek: Automatically search unclaimed mtk mutex in mtk_mutex_get()CK Hu3-10/+10
Moving mutex resource management from client driver to mutex driver could prevent client drivers negotiating for resource management. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04drm/mediatek: Change disp/ddp term to mutex in mtk mutex driverCK Hu5-183/+182
mtk mutex is used by both drm and mdp driver, so change disp/ddp term to mutex to show that it's a common driver for drm and mdp. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04drm/mediatek: Rename file mtk_drm_ddp to mtk_mutexCK Hu4-7/+7
After mmsys routing function is moved out of mtk_drm_ddp.c, mtk_drm_ddp.c has only mtk mutex function, so rename it to match the function in it. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04drm/mediatek: Remove redundant file includingCK Hu2-4/+0
Those file includings are useless, so remove them. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04drm/mediatek: Add fifo_size into rdma private dataYongqiang Niu1-1/+18
Get the fifo size from device tree because each rdma in the same SoC may have different fifo size Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04drm/mediatek: Fix aal size configYongqiang Niu1-1/+1
The orginal setting is not correct, fix it to follow hardware data sheet. If keep this error setting, mt8173/mt8183 display ok but mt8192 display abnormal. Fixes: 0664d1392c26 ("drm/mediatek: Add AAL engine basic function") Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04dt-bindings: mediatek: add description for postmaskYongqiang Niu1-0/+1
add description for postmask postmask is used control round corner for display frame Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04drm/mediatek: mtk_dpi: Create connector for bridgesHsin-Yi Wang1-1/+12
Similar to commit a9d9fea74be2 ("drm/mediatek: mtk_dsi: Create connector for bridges"): Use the drm_bridge_connector helper to create a connector for pipelines that use drm_bridge. This allows splitting connector operations across multiple bridges when necessary, instead of having the last bridge in the chain creating the connector and handling all connector operations internally. Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04dt-bindings: mediatek: add rdma-fifo-size description for mt8183 displayYongqiang Niu1-0/+9
rdma fifo size may be different even in same SOC, add this property to the corresponding rdma Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-02-04drm/mediatek: Check if fb is nullYongqiang Niu1-1/+1
It's possible that state->base.fb is null. Add a check before access its format. Fixes: b6b1bb980ec4 ("drm/mediatek: Turn off Alpha bit when plane format has no alpha") Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-12dt-bindings: mediatek: add description for mt8192 displayYongqiang Niu1-1/+1
add description for mt8192 display Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-07dt-bindings: mediatek: add description for mt8183 displayYongqiang Niu1-1/+1
add description for mt8183 display Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-07drm/mediatek: dsi: Use IRQF_TRIGGER_NONE for dsi irq trigger typeJitao Shi1-2/+1
The interrupt trigger is already set by OF. When do devm_request_irq() in driver, please use IRQF_TRIGGER_NONE and don't specify trigger type again. Signed-off-by: Jitao Shi <jitao.shi@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-07drm/mediatek: Move mtk_ddp_comp_init() from sub driver to DRM driverCK Hu10-216/+25
Some ddp component exist in both display path and other path, so sub driver should not directly call DRM driver's function. Moving mtk_ddp_comp_init() from sub driver to DRM driver to achieve this. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-07drm/mediatek: DRM driver directly refer to sub driver's functionCK Hu9-124/+193
Some ddp component exist in both display path and other path, so sub driver should not directly call DRM driver's function. Let DRM driver directly refer to sub driver's function so that sub driver need not register these function to DRM driver. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-07drm/mediatek: Register vblank callback functionCK Hu5-50/+60
Some ddp component exist in both display path and other path, so sub driver should not directly call crtc function. crtc register callback function to sub driver to prevent sub driver directly call crtc function. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2021-01-07drm/mediatek: Change sub driver interface from mtk_ddp_comp to deviceCK Hu7-149/+124
Some ddp component exist in both display path and other path, so sub driver interface should get rid of display info. Using device instead of mtk_ddp_comp make interface general. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Move cmdq_reg info from struct mtk_ddp_comp to sub driver private dataCK Hu5-64/+84
Some ddp component exist in both display path and other path, so data belonged to sub driver should be moved into sub driver private data so it could be used for multiple path. cmdq_reg info is one of sub driver data, so move it. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Use struct cmdq_client_reg to gather cmdq variableCK Hu2-21/+9
struct cmdq_client_reg include subsys and offset, so use it to replace these two variable. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Remove irq in struct mtk_ddp_compCK Hu1-3/+0
irq in struct mtk_ddp_comp is useless, so remove it. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Move regs info from struct mtk_ddp_comp to sub driver private dataCK Hu5-93/+165
Some ddp component exist in both display path and other path, so data belonged to sub driver should be moved into sub driver private data so it could be used for multiple path. regs info is one of sub driver data, so move it. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Move clk info from struct mtk_ddp_comp to sub driver private dataCK Hu6-15/+141
Some ddp component exist in both display path and other path, so data belonged to sub driver should be moved into sub driver private data so it could be used for multiple path. clk info is one of sub driver data, so move it. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Separate getting larb device to a functionCK Hu1-25/+32
To make the code cleaner, separate getting larb device to a function. Signed-off-by: CK Hu <ck.hu@mediatek.com> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Use correct device pointer to get CMDQ client registerChun-Kuang Hu8-13/+19
Some ddp component use mmsys device pointer to get CMDQ client register, this would get mmsys' CMDQ client register, so use each ddp component's device pointer to get. Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-29drm/mediatek: Get CMDQ client register for all ddp componentChun-Kuang Hu1-14/+15
Only OVL, RDMA,and WDMA get CMDQ client register information, but all ddp component should work with CMDQ, so get this information for all ddp component. Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
2020-12-27Linux 5.11-rc1Linus Torvalds1-2/+2
2020-12-27proc mountinfo: make splice available againLinus Torvalds1-3/+6
Since commit 36e2c7421f02 ("fs: don't allow splice read/write without explicit ops") we've required that file operation structures explicitly enable splice support, rather than falling back to the default handlers. Most /proc files use the indirect 'struct proc_ops' to describe their file operations, and were fixed up to support splice earlier in commits 40be821d627c..b24c30c67863, but the mountinfo files interact with the VFS directly using their own 'struct file_operations' and got missed as a result. This adds the necessary support for splice to work for /proc/*/mountinfo and friends. Reported-by: Joan Bruguera Micó <joanbrugueram@gmail.com> Reported-by: Jussi Kivilinna <jussi.kivilinna@iki.fi> Link: https://bugzilla.kernel.org/show_bug.cgi?id=209971 Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-26mfd: ab8500-debugfs: Remove extraneous seq_putcLinus Torvalds1-1/+0
Commit c9a3c4e637ac ("mfd: ab8500-debugfs: Remove extraneous curly brace") removed a left-over curly brace that caused build failures, but Joe Perches points out that the subsequent 'seq_putc()' should also be removed, because the commit that caused all these problems already added the final '\n' to the seq_printf() above it. Reported-by: Joe Perches <joe@perches.com> Fixes: 886c8121659d ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc") Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-25mfd: ab8500-debugfs: Remove extraneous curly braceNathan Chancellor1-1/+0
Clang errors: drivers/mfd/ab8500-debugfs.c:1526:2: error: non-void function does not return a value [-Werror,-Wreturn-type] } ^ drivers/mfd/ab8500-debugfs.c:1528:2: error: expected identifier or '(' return 0; ^ drivers/mfd/ab8500-debugfs.c:1529:1: error: extraneous closing brace ('}') } ^ 3 errors generated. The cleanup in ab8500_interrupts_show left a curly brace around, remove it to fix the error. Fixes: 886c8121659d ("mfd: ab8500-debugfs: Remove the racy fiddling with irq_desc") Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-25PCI: dwc: Fix inverted condition of DMA mask setup warningAlexander Lobakin1-6/+2
Commit 660c486590aa ("PCI: dwc: Set 32-bit DMA mask for MSI target address allocation") added dma_mask_set() call to explicitly set 32-bit DMA mask for MSI message mapping, but for now it throws a warning on ret == 0, while dma_set_mask() returns 0 in case of success. Fix this by inverting the condition. [bhelgaas: join string to make it greppable] Fixes: 660c486590aa ("PCI: dwc: Set 32-bit DMA mask for MSI target address allocation") Link: https://lore.kernel.org/r/20201222150708.67983-1-alobakin@pm.me Signed-off-by: Alexander Lobakin <alobakin@pm.me> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2020-12-25PCI: tegra: Fix host link initializationRob Herring1-26/+29
Commit b9ac0f9dc8ea ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common code") broke enumeration of downstream devices on Tegra: In non-working case (next-20201211): 0001:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad2 (rev a1) 0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13) 0005:00:00.0 PCI bridge: NVIDIA Corporation Device 1ad0 (rev a1) In working case (v5.10-rc7): 0001:00:00.0 PCI bridge: Molex Incorporated Device 1ad2 (rev a1) 0001:01:00.0 SATA controller: Marvell Technology Group Ltd. Device 9171 (rev 13) 0005:00:00.0 PCI bridge: Molex Incorporated Device 1ad0 (rev a1) 0005:01:00.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab) 0005:02:02.0 PCI bridge: PLX Technology, Inc. Device 3380 (rev ab) 0005:03:00.0 USB controller: PLX Technology, Inc. Device 3380 (rev ab) The problem seems to be dw_pcie_setup_rc() is now called twice before and after the link up handling. The fix is to move Tegra's link up handling to .start_link() function like other DWC drivers. Tegra is a bit more complicated than others as it re-inits the whole DWC controller to retry the link. With this, the initialization ordering is restored to match the prior sequence. Fixes: b9ac0f9dc8ea ("PCI: dwc: Move dw_pcie_setup_rc() to DWC common code") Link: https://lore.kernel.org/r/20201218143905.1614098-1-robh@kernel.org Reported-by: Mian Yousaf Kaukab <ykaukab@suse.de> Tested-by: Mian Yousaf Kaukab <ykaukab@suse.de> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Jonathan Hunter <jonathanh@nvidia.com> Cc: Vidya Sagar <vidyas@nvidia.com>
2020-12-25drm/amd/display: avoid uninitialized variable warningLinus Torvalds1-1/+1
clang (quite rightly) complains fairly loudly about the newly added mpc1_get_mpc_out_mux() function returning an uninitialized value if the 'opp_id' checks don't pass. This may not happen in practice, but the code really shouldn't return garbage if the sanity checks don't pass. So just initialize 'val' to zero to avoid the issue. Fixes: 110b055b2827 ("drm/amd/display: add getter routine to retrieve mpcc mux") Cc: Josip Pavic <Josip.Pavic@amd.com> Cc: Bindu Ramamurthy <bindu.r@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-25genirq: Fix export of irq_to_desc() for powerpc KVMMichael Ellerman1-1/+1
Commit 64a1b95bb9fe ("genirq: Restrict export of irq_to_desc()") removed the export of irq_to_desc() unless powerpc KVM is being built, because there is still a use of irq_to_desc() in modular code there. However it used: #ifdef CONFIG_KVM_BOOK3S_64_HV Which doesn't work when that symbol is =m, leading to a build failure: ERROR: modpost: "irq_to_desc" [arch/powerpc/kvm/kvm-hv.ko] undefined! Fix it by checking for the definedness of the correct symbol which is CONFIG_KVM_BOOK3S_64_HV_MODULE. Fixes: 64a1b95bb9fe ("genirq: Restrict export of irq_to_desc()") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-24device-dax: Avoid an unnecessary check in alloc_dev_dax_range()Zhen Lei1-14/+6
Swap the calling sequence of krealloc() and __request_region(), call the latter first. In this way, the value of dev_dax->nr_range does not need to be considered when __request_region() failed. Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Link: https://lore.kernel.org/r/20201219081840.1149-2-thunder.leizhen@huawei.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-12-24device-dax: Fix range releaseDan Williams1-23/+21
There are multiple locations that open-code the release of the last range in a device-dax instance. Consolidate this into a new dev_dax_trim_range() helper. This also addresses a kmemleak report: # cat /sys/kernel/debug/kmemleak [..] unreferenced object 0xffff976bd46f6240 (size 64): comm "ndctl", pid 23556, jiffies 4299514316 (age 5406.733s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 20 c3 37 00 00 00 .......... .7... ff ff ff 7f 38 00 00 00 00 00 00 00 00 00 00 00 ....8........... backtrace: [<00000000064003cf>] __kmalloc_track_caller+0x136/0x379 [<00000000d85e3c52>] krealloc+0x67/0x92 [<00000000d7d3ba8a>] __alloc_dev_dax_range+0x73/0x25c [<0000000027d58626>] devm_create_dev_dax+0x27d/0x416 [<00000000434abd43>] __dax_pmem_probe+0x1c9/0x1000 [dax_pmem_core] [<0000000083726c1c>] dax_pmem_probe+0x10/0x1f [dax_pmem] [<00000000b5f2319c>] nvdimm_bus_probe+0x9d/0x340 [libnvdimm] [<00000000c055e544>] really_probe+0x230/0x48d [<000000006cabd38e>] driver_probe_device+0x122/0x13b [<0000000029c7b95a>] device_driver_attach+0x5b/0x60 [<0000000053e5659b>] bind_store+0xb7/0xc3 [<00000000d3bdaadc>] drv_attr_store+0x27/0x31 [<00000000949069c5>] sysfs_kf_write+0x4a/0x57 [<000000004a8b5adf>] kernfs_fop_write+0x150/0x1e5 [<00000000bded60f0>] __vfs_write+0x1b/0x34 [<00000000b92900f0>] vfs_write+0xd8/0x1d1 Reported-by: Jane Chu <jane.chu@oracle.com> Cc: Zhen Lei <thunder.leizhen@huawei.com> Link: https://lore.kernel.org/r/160834570161.1791850.14911670304441510419.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2020-12-24perf probe: Fix memory leak when synthesizing SDT probesArnaldo Carvalho de Melo1-3/+10
The argv_split() function must be paired with argv_free(), else we must keep a reference to the argv array received or do the freeing ourselves, in synthesize_sdt_probe_command() we were simply leaking that argv[] array. Fixes: 3b1f8311f6963cd1 ("perf probe: Add sdt probes arguments into the uprobe cmd string") Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexandre Truong <alexandre.truong@arm.com> Cc: Alexis Berlemont <alexis.berlemont@gmail.com> Cc: He Zhe <zhe.he@windriver.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John Garry <john.garry@huawei.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20201224135139.GF477817@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf stat aggregation: Add separate thread memberJames Clark4-16/+16
A separate field isn't strictly required. The core field could be re-used for thread IDs as a single field was used previously. But separating them will avoid confusion and catch potential errors where core IDs are read as thread IDs and vice versa. Also remove the placeholder id field which is now no longer used. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-13-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf stat aggregation: Add separate core memberJames Clark5-28/+27
Add core as a separate member so that it doesn't have to be packed into the int value. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-12-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf stat aggregation: Add separate die memberJames Clark5-36/+26
Add die as a separate member so that it doesn't have to be packed into the int value. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-11-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf stat aggregation: Add separate socket memberJames Clark6-51/+41
Add socket as a separate member so that it doesn't have to be packed into the int value. When the socket ID was larger than 8 bits the output appeared corrupted or incomplete. For example, here on ThunderX2 'perf stat' reports a socket of -1 and an invalid die number: ./perf stat -a --per-die The socket id number is too big. Performance counter stats for 'system wide': S-1-D255 128 687.99 msec cpu-clock # 57.240 CPUs utilized ... S36-D0 128 842.34 msec cpu-clock # 70.081 CPUs utilized ... And with --per-core there is an entry with an invalid core ID: ./perf stat record -a --per-core The socket id number is too big. Performance counter stats for 'system wide': S-1-D255-C65535 128 671.04 msec cpu-clock # 54.112 CPUs utilized ... S36-D0-C0 4 28.27 msec cpu-clock # 2.279 CPUs utilized ... This fixes the "Session topology" self test on ThunderX2. After this fix the output contains the correct socket and die IDs and no longer prints a warning about the size of the socket ID: ./perf stat --per-die -a Performance counter stats for 'system wide': S36-D0 128 169,869.39 msec cpu-clock # 127.501 CPUs utilized ... S3612-D0 128 169,733.05 msec cpu-clock # 127.398 CPUs utilized Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-10-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf stat aggregation: Add separate node memberJames Clark5-8/+21
Add node as a separate member so that it doesn't have to be packed into the int value. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-9-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf stat aggregation: Start using cpu_aggr_id in mapJames Clark4-11/+11
Use the new cpu_aggr_id struct in the cpu map instead of int so that it can store more data. No functional changes. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-8-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf cpumap: Drop in cpu_aggr_map structJames Clark4-20/+35
Replace usages of perf_cpu_map with cpu_aggr map in places that are involved with 'perf stat' aggregation. This will then later be changed to be a map of cpu_aggr_id rather than an int so that more data can be stored. No functional changes. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-7-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf cpumap: Add new map type for aggregationJames Clark2-0/+25
Currently this is a duplicate of perf_cpu_map so that it can be used as a drop in replacement. In a later commit it will be changed from a map of ints to use the new cpu_aggr_id struct. No functional changes. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-6-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf stat: Replace aggregation ID with a structJames Clark7-127/+173
Replace all occurences of the usage of int with the new struct cpu_aggr_id. No functional changes. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-5-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf cpumap: Add new struct for cpu aggregationJames Clark2-0/+26
This struct currently has only a single int member so that it can be used as a drop in replacement for the existing behaviour. Comparison and constructor functions have also been added that will replace usages of '==' and '= -1'. No functional changes. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-4-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf cpumap: Use existing allocator to avoid using mallocJames Clark1-4/+4
Use the existing allocator for perf_cpu_map to avoid use of raw malloc. This could cause an issue in later commits where the size of perf_cpu_map is changed. No functional changes. Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-3-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf tests: Improve topology test to check all aggregation typesJames Clark1-7/+46
Improve the topology test to check all aggregation types. This is to lock down the behaviour before 'id' is changed into a struct in later commits. Committer testing: $ perf test topology 41: Session topology: Ok $ $ perf test -v topology 41: Session topology: --- start --- test child forked, pid 965552 templ file: /tmp/perf-test-mO7NtI Problems creating module maps, continuing anyway... CPU 0, core 0, socket 0 CPU 1, core 1, socket 0 CPU 2, core 2, socket 0 CPU 3, core 4, socket 0 CPU 4, core 5, socket 0 CPU 5, core 6, socket 0 CPU 6, core 8, socket 0 CPU 7, core 9, socket 0 CPU 8, core 10, socket 0 CPU 9, core 12, socket 0 CPU 10, core 13, socket 0 CPU 11, core 14, socket 0 CPU 12, core 0, socket 0 CPU 13, core 1, socket 0 CPU 14, core 2, socket 0 CPU 15, core 4, socket 0 CPU 16, core 5, socket 0 CPU 17, core 6, socket 0 CPU 18, core 8, socket 0 CPU 19, core 9, socket 0 CPU 20, core 10, socket 0 CPU 21, core 12, socket 0 CPU 22, core 13, socket 0 CPU 23, core 14, socket 0 test child finished with 0 ---- end ---- Session topology: Ok $ Signed-off-by: James Clark <james.clark@arm.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Tested-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20201126141328.6509-2-james.clark@arm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-12-24perf tools: Update s390's syscall.tbl copy from the kernel sourcesTiezhu Yang1-170/+226
This silences the following tools/perf/ build warning: Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl' Just make them same: cp arch/s390/kernel/syscalls/syscall.tbl tools/perf/arch/s390/entry/syscalls/syscall.tbl Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn> Reviewed-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Xuefeng Li <lixuefeng@loongson.cn> Link: http://lore.kernel.org/lkml/1608278364-6733-5-git-send-email-yangtiezhu@loongson.cn [ There were updates after Tiezhu's post, so I just updated the copy ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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