fb6e5953dc
Changes in 4.9.271 mm, vmstat: drop zone->lock in /proc/pagetypeinfo tweewide: Fix most Shebang lines scripts: switch explicitly to Python 3 netfilter: x_tables: Use correct memory barriers. NFC: nci: fix memory leak in nci_allocate_device NFSv4: Fix a NULL pointer dereference in pnfs_mark_matching_lsegs_return() proc: Check /proc/$pid/attr/ writes against file opener net: hso: fix control-request directions mac80211: assure all fragments are encrypted mac80211: prevent mixed key and fragment cache attacks mac80211: properly handle A-MSDUs that start with an RFC 1042 header cfg80211: mitigate A-MSDU aggregation attacks mac80211: drop A-MSDUs on old ciphers mac80211: add fragment cache to sta_info mac80211: check defrag PN against current frame mac80211: prevent attacks on TKIP/WEP as well mac80211: do not accept/forward invalid EAPOL frames mac80211: extend protection against mixed key and fragment cache attacks ath10k: Validate first subframe of A-MSDU before processing the list dm snapshot: properly fix a crash when an origin has no snapshots kgdb: fix gcc-11 warnings harder misc/uss720: fix memory leak in uss720_probe mei: request autosuspend after sending rx flow control staging: iio: cdc: ad7746: avoid overwrite of num_channels iio: adc: ad7793: Add missing error code in ad7793_setup() USB: trancevibrator: fix control-request direction serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait' USB: serial: ti_usb_3410_5052: add startech.com device id USB: serial: option: add Telit LE910-S1 compositions 0x7010, 0x7011 USB: serial: ftdi_sio: add IDs for IDS GmbH Products USB: serial: pl2303: add device id for ADLINK ND-6530 GC net: usb: fix memory leak in smsc75xx_bind spi: Fix use-after-free with devm_spi_alloc_* Bluetooth: cmtp: fix file refcount when cmtp_attach_device fails NFS: fix an incorrect limit in filelayout_decode_layout() NFS: Don't corrupt the value of pg_bytes_written in nfs_do_recoalesce() NFSv4: Fix v4.0/v4.1 SEEK_DATA return -ENOTSUPP when set NFS_V4_2 config net/mlx4: Fix EEPROM dump support Revert "net:tipc: Fix a double free in tipc_sk_mcast_rcv" tipc: skb_linearize the head skb when reassembling msgs i2c: s3c2410: fix possible NULL pointer deref on read message after write i2c: i801: Don't generate an interrupt on bus reset perf jevents: Fix getting maximum number of fds platform/x86: hp_accel: Avoid invoking _INI to speed up resume serial: max310x: unregister uart driver in case of failure and abort net: fujitsu: fix potential null-ptr-deref net: caif: remove BUG_ON(dev == NULL) in caif_xmit char: hpet: add checks after calling ioremap isdn: mISDNinfineon: check/cleanup ioremap failure correctly in setup_io dmaengine: qcom_hidma: comment platform_driver_register call libertas: register sysfs groups properly media: dvb: Add check on sp8870_readreg return media: gspca: properly check for errors in po1030_probe() scsi: BusLogic: Fix 64-bit system enumeration error for Buslogic openrisc: Define memory barrier mb btrfs: do not BUG_ON in link_to_fixup_dir platform/x86: intel_punit_ipc: Append MODULE_DEVICE_TABLE for ACPI drm/amdgpu: Fix a use-after-free net: netcp: Fix an error message net: mdio: thunder: Fix a double free issue in the .remove function net: mdio: octeon: Fix some double free issues net: bnx2: Fix error return code in bnx2_init_board() mld: fix panic in mld_newpack() staging: emxx_udc: fix loop in _nbu2ss_nuke() ASoC: cs35l33: fix an error code in probe() scsi: libsas: Use _safe() loop in sas_resume_port() sch_dsmark: fix a NULL deref in qdisc_reset() MIPS: alchemy: xxs1500: add gpio-au1000.h header file MIPS: ralink: export rt_sysc_membase for rt2880_wdt.c hugetlbfs: hugetlb_fault_mutex_hash() cleanup usb: core: reduce power-on-good delay time of root hub Linux 4.9.271 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I6da4427d9ada52cbebbcc4d69e74f9ecebd9ad8b
48 lines
1.4 KiB
Python
Executable File
48 lines
1.4 KiB
Python
Executable File
#! /usr/bin/env python
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# -*- python -*-
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# -*- coding: utf-8 -*-
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import perf
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class tracepoint(perf.evsel):
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def __init__(self, sys, name):
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config = perf.tracepoint(sys, name)
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perf.evsel.__init__(self,
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type = perf.TYPE_TRACEPOINT,
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config = config,
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freq = 0, sample_period = 1, wakeup_events = 1,
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sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_RAW | perf.SAMPLE_TIME)
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def main():
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tp = tracepoint("sched", "sched_switch")
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cpus = perf.cpu_map()
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threads = perf.thread_map(-1)
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evlist = perf.evlist(cpus, threads)
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evlist.add(tp)
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evlist.open()
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evlist.mmap()
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while True:
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evlist.poll(timeout = -1)
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for cpu in cpus:
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event = evlist.read_on_cpu(cpu)
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if not event:
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continue
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if not isinstance(event, perf.sample_event):
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continue
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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" % (
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event.sample_time,
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event.prev_comm,
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event.prev_pid,
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event.prev_prio,
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event.prev_state,
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event.next_comm,
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event.next_pid,
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event.next_prio)
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if __name__ == '__main__':
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main()
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