[PATCH 08/15 V3] perf, c2c: Add stats to track data source bits and cpu to...
This patch adds a bunch of stats that will be used later in post-processing to determine where and with what frequency the HITMs are coming from. Most of the stats are decoded from the data source...
View Article[PATCH 09/15 V3] perf, c2c: Sort based on hottest cache line (no replies)
Now that we have all the events sort on a unique address, we can walk the rbtree sequential and count up all the HITMs for each cacheline fairly easily. Once we encounter a new event on a different...
View Article[PATCH 00/15 V3] perf, c2c: Add new tool to analyze cacheline contention on...
With the introduction of NUMA systems, came the possibility of remote memory accesses. Combine those remote memory accesses with contention on the remote node (ie a modified cacheline) and you have a...
View Article[PATCH] staging/usbip: userspace - fix usbipd SIGSEGV from...
refresh_exported_devices() doesn't check udev_device_new_from_syspath() return value and passed in null dev to udev_device_get_driver() resulting in a segmentation fault. Change it to check for null...
View Article[PATCH 0/6] perf, events: Enable mmap2 support (4 replies)
Re-enable mmap2 support with some extra features. Also include a user, perf report. Perf report uses a new output format for the physid work I am trying to do in the c2c tool. Hopefully this format is...
View Article[GIT] Networking (no replies)
1) OpenVswitch's lookup_datapath() returns error pointers, so don't check against NULL. From Jiri Pirko. 2) pfkey_compile_policy() code path tries to do a GFP_KERNEL allocation under RCU locks, fix by...
View Article[RFC PATCH 0/2] sched: proposal for idlestat scheduler benchmarking tool (2...
Conclusions from Energy Aware Scheduling sessions at the latest Kernel Summit identified a need for tools that would assess power consumption of the system These tools would be used to prove...
View Article[PATCH] vfio: always select ANON_INODES (no replies)
The vfio code cannot be built when CONFIG_ANON_INODES is disabled, so this enforces the symbol to be enabled through Kconfig. Signed-off-by: Arnd Bergmann <arnd@arndb.de> diff --git...
View Article[PATCH] Xen: do hv callback accounting only on x86 (1 reply)
Patch 99c8b79d3c1 "xen: Add proper irq accounting for HYPERCALL vector" added a call to inc_irq_stat(irq_hv_callback_count) in common Xen code, however both the inc_irq_stat function and the...
View ArticleRe: slab_common: fix the check for duplicate slab names (1 reply)
[Sorry for top-post but...] This patch still isn't upstream. Who should be shepherding it to Linus? Without it we're seeing crashes on Fedora when running regression tests that use dm-raid (dm target...
View Article[3.8.y.z extended stable] Linux 3.8.13.20 stable review (83 replies)
This is the start of the review cycle for the Linux 3.8.13.20 stable kernel. This version contains 81 new patches, summarized below. The new patches are posted as replies to this message and also...
View Article[PATCH v3 1/4] ata: ahci_platform: fix ahci_platform_data->suspend method...
Looking at ST SPEAr1340 AHCI code (the only user of the deprecated pdata->suspend and pdata->resume) it is obvious the we should return after calling pdata->suspend() only if the function...
View Article[PATCH v3 4/4] ARM: davinci: da850: update SATA AHCI support (no replies)
Update SATA AHCI support to make use of the new ahci_da850 host driver (instead of the generic ahci_platform one) and remove deprecated ahci_platform_data code. Cc: Sekhar Nori <nsekhar@ti.com>...
View Article[PATCH v3 3/4] ata: add new-style AHCI platform driver for DaVinci DA850 AHCI...
Add the new ahci_da850 host driver. Platform changes needed to make DaVinci DA850 SATA AHCI support fully functional are in the separate "ARM: davinci: da850: update SATA AHCI support" commit. Please...
View Article[PATCH v3 0/4] ata: ahci_platform related cleanups (1 reply)
Hi, This patch series: - fixes ahci_platform_data->suspend() handling - moves library AHCI platform code to its own file - adds a new-style AHCI platform driver for DaVinci DA850 AHCI controller -...
View Article[PATCH 1/2] perf, tools, stat: Initialize statistics correctly (1 reply)
From: Andi Kleen <ak@linux.intel.com> perf stat did initialize the stats structure used to compute stddev etc. incorrectly. It merely zeroes it. But one member (min) needs to be set to a non...
View Article[PATCH 2/8] printk: Release lockbuf_lock before calling...
There's no reason to hold lockbuf_lock when entering console_trylock_for_printk(). The first thing this function does is calling down_trylock(console_sem) and if that fails it immediately unlocks...
View Article[PATCH 4/8] printk: Remove separate printk_sched buffers and use printk buf...
From: Steven Rostedt <rostedt@goodmis.org> To prevent deadlocks with doing a printk inside the scheduler, printk_sched() was created. The issue is that printk has a console_sem that it can grab...
View Article[PATCH 3/8] printk: Enable interrupts before calling...
We need interrupts disabled when calling console_trylock_for_printk() only so that cpu id we pass to can_use_console() remains valid (for other things console_sem provides all the exclusion we need...
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