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path: root/kernel/events/ring_buffer.c
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2024-04-14perf/ring_buffer: Trigger IO signals for watermark_wakeupKyle Huey1-0/+4
2024-01-08mm, treewide: rename MAX_ORDER to MAX_PAGE_ORDERKirill A. Shutemov1-5/+5
2023-09-12perf/core: Bail out early if the request AUX area is out of boundShuai Xue1-0/+6
2023-07-10perf/ring_buffer: Use local_try_cmpxchg in __perf_output_beginUros Bizjak1-2/+3
2023-04-05mm, treewide: redefine MAX_ORDER sanelyKirill A. Shutemov1-3/+3
2023-04-05perf/core: fix MAX_ORDER usage in rb_alloc_aux_page()Kirill A. Shutemov1-2/+2
2022-10-17perf: Fix missing SIGTRAPsPeter Zijlstra1-1/+1
2022-06-28perf/core: Add a new read format to get a number of lost samplesNamhyung Kim1-1/+4
2022-04-19perf/core: Fix perf_mmap fail when CONFIG_PERF_USE_VMALLOC enabledZhipeng Xie1-5/+0
2021-04-16perf: Cap allocation order at aux_watermarkAlexander Shishkin1-16/+18
2021-03-16perf core: Allocate perf_buffer in the target node memoryNamhyung Kim1-3/+6
2020-11-09perf: Reduce stack usage of perf_output_begin()Peter Zijlstra1-9/+11
2020-01-13perf: Make struct ring_buffer less ambiguousSteven Rostedt (VMware)1-27/+27
2019-11-13perf/aux: Allow using AUX data in perf samplesAlexander Shishkin1-0/+36
2019-10-17perf/ring_buffer: Matching the memory allocate and free, in rb_alloc()Yunfeng Ye1-10/+10
2019-10-17perf/ring_buffer: Modify the parameter type of perf_mmap_free_page()Yunfeng Ye1-4/+4
2019-05-24perf/ring-buffer: Use regular variables for nestingPeter Zijlstra1-15/+26
2019-05-24perf/ring-buffer: Always use {READ,WRITE}_ONCE() for rb->user_page dataPeter Zijlstra1-3/+3
2019-05-24perf/ring_buffer: Add ordering to rb->nest incrementPeter Zijlstra1-0/+9
2019-05-24perf/ring_buffer: Fix exposing a temporarily decreased data_headYabin Cui1-4/+20
2019-05-03perf/ring_buffer: Fix AUX software double bufferingAlexander Shishkin1-2/+1
2019-04-16perf/ring_buffer: Fix AUX record suppressionAlexander Shishkin1-18/+15
2019-04-12perf/core: Fix perf_event_disable_inatomic() racePeter Zijlstra1-2/+2
2019-03-09perf/ring_buffer: Use high order allocations for AUX buffers optimisticallyAlexander Shishkin1-17/+15
2019-02-28Merge branch 'linus' into perf/core, to pick up fixesIngo Molnar1-1/+1
2019-02-13perf/core: Fix impossible ring-buffer sizes warningIngo Molnar1-1/+1
2019-02-06perf/aux: Make perf_event accessible to setup_aux()Mathieu Poirier1-1/+1
2019-02-04perf/ring_buffer: Convert ring_buffer.aux_refcount to refcount_tElena Reshetova1-3/+3
2019-02-04perf/ring_buffer: Convert ring_buffer.refcount to refcount_tElena Reshetova1-1/+1
2019-02-04perf/core: Convert to SPDX license identifiersThomas Gleixner1-2/+1
2019-02-04perf/core: Don't WARN() for impossible ring-buffer sizesMark Rutland1-0/+3
2018-09-18perf: Suppress AUX/OVERWRITE recordsAlexander Shishkin1-2/+12
2018-06-24Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/ke...Linus Torvalds1-3/+3
2018-06-22perf/core: Move the inline keyword at the beginning of the function declarationMathieu Malaterre1-3/+3
2018-06-12treewide: kzalloc_node() -> kcalloc_node()Kees Cook1-1/+2
2018-05-05perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[]Peter Zijlstra1-2/+5
2018-02-11vfs: do bulk POLL* -> EPOLL* replacementLinus Torvalds1-1/+1
2017-11-15Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/a...Linus Torvalds1-0/+4
2017-10-25locking/atomics: COCCINELLE/treewide: Convert trivial ACCESS_ONCE() patterns ...Mark Rutland1-1/+1
2017-10-18perf/core: Export AUX buffer helpers to modulesWill Deacon1-0/+4
2017-09-29perf/aux: Only update ->aux_wakeup in non-overwrite modeAlexander Shishkin1-5/+15
2017-08-25perf/aux: Ensure aux_wakeup represents most recent wakeup indexWill Deacon1-2/+2
2017-08-25perf/aux: Make aux_{head,wakeup} ring_buffer members longWill Deacon1-17/+14
2017-06-21perf/aux: Correct return code of rb_alloc_aux() if !has_aux(ev)Hendrik Brueckner1-1/+1
2017-03-16perf/core: Add a flag for partial AUX recordsAlexander Shishkin1-1/+1
2017-03-16perf/core: Keep AUX flags in the output handleWill Deacon1-11/+23
2016-09-10perf/core: Fix aux_mmap_count vs aux_refcount orderAlexander Shishkin1-4/+11
2016-05-12perf/core: Disable the event on a truncated AUX recordAlexander Shishkin1-1/+9
2016-04-23perf/core: Add ::write_backward attribute to perf eventWang Nan1-1/+15
2016-03-31perf/ring_buffer: Prepare writing into the ring-buffer from the endWang Nan1-6/+36
2016-03-31perf/ring_buffer: Introduce new ioctl options to pause and resume the ring-bu...Wang Nan1-1/+11
2016-03-31perf/ring_buffer: Document AUX API usageAlexander Shishkin1-0/+10
2016-03-31perf/core: Free AUX pages in unmap pathAlexander Shishkin1-26/+11
2016-03-31perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count dropsAlexander Shishkin1-0/+7
2016-03-21perf/core: Fix Undefined behaviour in rb_alloc()Peter Zijlstra1-2/+4
2016-01-21perf: Synchronously free aux pages in case of allocation failureAlexander Shishkin1-20/+20
2015-11-23treewide: Remove old email addressPeter Zijlstra1-1/+1
2015-11-03atomic: remove all traces of READ_ONCE_CTRL() and atomic*_read_ctrl()Linus Torvalds1-1/+1
2015-08-12perf/ring-buffer: Clarify the use of page::private for high-order AUX allocat...Alexander Shishkin1-1/+4
2015-08-12perf: Fix double-free of the AUX bufferBen Hutchings1-4/+6
2015-07-06perf: Fix AUX buffer refcountingPeter Zijlstra1-2/+25
2015-06-22Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kerne...Linus Torvalds1-1/+1
2015-05-27smp: Make control dependencies work on Alpha, improve documentationPaul E. McKenney1-1/+1
2015-05-27perf: Disallow sparse AUX allocations for non-SG PMUs in overwrite modeAlexander Shishkin1-0/+14
2015-04-02perf: Add wakeup watermark control to the AUX areaAlexander Shishkin1-3/+19
2015-04-02perf: Support overwrite mode for the AUX areaAlexander Shishkin1-15/+33
2015-04-02perf: Add API for PMUs to write to the AUX areaAlexander Shishkin1-0/+139
2015-04-02perf: Add a capability for AUX_NO_SG pmus to do software double bufferingAlexander Shishkin1-1/+14
2015-04-02perf: Support high-order allocations for AUX spaceAlexander Shishkin1-6/+50
2015-04-02perf: Add AUX area to ring buffer for raw data streamsPeter Zijlstra1-4/+93
2015-02-04perf: Use POLLIN instead of POLL_IN for perf poll data in flagJiri Olsa1-1/+2
2013-12-11perf: Optimize ring-buffer write by depending on control dependenciesPeter Zijlstra1-16/+26
2013-11-06perf: Update a stale commentPeter Zijlstra1-2/+2
2013-11-06perf: Optimize perf_output_begin() -- address calculationPeter Zijlstra1-7/+7
2013-11-06perf: Optimize perf_output_begin() -- lost_event casePeter Zijlstra1-5/+8
2013-11-06perf: Optimize perf_output_begin()Peter Zijlstra1-8/+9
2013-11-06perf: Add unlikely() to the ring-buffer codePeter Zijlstra1-8/+8
2013-11-06perf: Simplify the ring-buffer codePeter Zijlstra1-33/+4
2013-10-29perf: Fix perf ring buffer memory orderingPeter Zijlstra1-4/+27
2013-05-01perf: Fix vmalloc ring buffer pages handlingJiri Olsa1-4/+10
2013-03-21perf: Fix ring_buffer perf_output_space() boundary calculationStephane Eranian1-4/+18
2012-08-10perf: Add perf_output_skip function to skip bytes in sampleJiri Olsa1-0/+6
2012-08-10perf: Factor __output_copy to be usable with specific copy functionFrederic Weisbecker1-2/+2
2012-01-08Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jik...Linus Torvalds1-1/+1
2012-01-02misc latin1 to utf8 conversionsAl Viro1-1/+1
2011-12-05perf: Fix loss of notification with multi-eventPeter Zijlstra1-0/+3
2011-07-01perf: Remove the perf_output_begin(.sample) argumentPeter Zijlstra1-18/+1
2011-07-01perf: Remove the nmi parameter from the swevent and overflow interfacePeter Zijlstra1-7/+3
2011-07-01perf_events: Fix perf buffer watermark settingVince Weaver1-7/+9
2011-06-09perf: Split up buffer handling from core codeFrederic Weisbecker1-0/+399
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