#! /usr/bin/python # -*- python -*- # -*- coding: utf-8 -*- import perf class tracepoint(perf.evsel): def __init__(self, sys, name): config = perf.tracepoint(sys, name) perf.evsel.__init__(self, type = perf.TYPE_TRACEPOINT, config = config, freq = 0, sample_period = 1, wakeup_events = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_RAW | perf.SAMPLE_TIME) def main(): tp = tracepoint("sched", "sched_switch") cpus = perf.cpu_map() threads = perf.thread_map(-1) evlist = perf.evlist(cpus, threads) evlist.add(tp) evlist.open() evlist.mmap() while True: evlist.poll(timeout = -1) for cpu in cpus: event = evlist.read_on_cpu(cpu) if not event: continue if not isinstance(event, perf.sample_event): continue print "time %u prev_comm=%s prev_pid=%d prev_prio=%d prev_state=0x%x ==> next_comm=%s next_pid=%d next_prio=%d" % ( event.sample_time, event.prev_comm, event.prev_pid, event.prev_prio, event.prev_state, event.next_comm, event.next_pid, event.next_prio) if __name__ == '__main__': main() -next plumbingsTobias Klauser
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-06 14:16:23 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-06 14:16:23 -0800
commit396bf4cd835e62d70fad4a03a8963e61f19021f2 (patch)
tree79ac8f33554260fea1a8d43e6f8c4c5460115f45 /net/ipv6/mip6.c
parentd5adbfcd5f7bcc6fa58a41c5c5ada0e5c826ce2c (diff)
parent7c2cf1c4615cc2f576d0604406cdf0065f00b83b (diff)
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: - use-after-free in algif_aead - modular aesni regression when pcbc is modular but absent - bug causing IO page faults in ccp - double list add in ccp - NULL pointer dereference in qat (two patches) - panic in chcr - NULL pointer dereference in chcr - out-of-bound access in chcr * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: chcr - Fix key length for RFC4106 crypto: algif_aead - Fix kernel panic on list_del crypto: aesni - Fix failure when pcbc module is absent crypto: ccp - Fix double add when creating new DMA command crypto: ccp - Fix DMA operations when IOMMU is enabled crypto: chcr - Check device is allocated before use crypto: chcr - Fix panic on dma_unmap_sg crypto: qat - zero esram only for DH85x devices crypto: qat - fix bar discovery for c62x
Diffstat (limited to 'net/ipv6/mip6.c')