# perf script event handlers, generated by perf script -g python # (c) 2010, Tom Zanussi # Licensed under the terms of the GNU GPL License version 2 # # This script tests basic functionality such as flag and symbol # strings, common_xxx() calls back into perf, begin, end, unhandled # events, etc. Basically, if this script runs successfully and # displays expected results, Python scripting support should be ok. import os import sys sys.path.append(os.environ['PERF_EXEC_PATH'] + \ '/scripts/python/Perf-Trace-Util/lib/Perf/Trace') from Core import * from perf_trace_context import * unhandled = autodict() def trace_begin(): print "trace_begin" pass def trace_end(): print_unhandled() def irq__softirq_entry(event_name, context, common_cpu, common_secs, common_nsecs, common_pid, common_comm, common_callchain, vec): print_header(event_name, common_cpu, common_secs, common_nsecs, common_pid, common_comm) print_uncommon(context) print "vec=%s\n" % \ (symbol_str("irq__softirq_entry", "vec", vec)), def kmem__kmalloc(event_name, context, common_cpu, common_secs, common_nsecs, common_pid, common_comm, common_callchain, call_site, ptr, bytes_req, bytes_alloc, gfp_flags): print_header(event_name, common_cpu, common_secs, common_nsecs, common_pid, common_comm) print_uncommon(context) print "call_site=%u, ptr=%u, bytes_req=%u, " \ "bytes_alloc=%u, gfp_flags=%s\n" % \ (call_site, ptr, bytes_req, bytes_alloc, flag_str("kmem__kmalloc", "gfp_flags", gfp_flags)), def trace_unhandled(event_name, context, event_fields_dict): try: unhandled[event_name] += 1 except TypeError: unhandled[event_name] = 1 def print_header(event_name, cpu, secs, nsecs, pid, comm): print "%-20s %5u %05u.%09u %8u %-20s " % \ (event_name, cpu, secs, nsecs, pid, comm), # print trace fields not included in handler args def print_uncommon(context): print "common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, " \ % (common_pc(context), trace_flag_str(common_flags(context)), \ common_lock_depth(context)) def print_unhandled(): keys = unhandled.keys() if not keys: return print "\nunhandled events:\n\n", print "%-40s %10s\n" % ("event", "count"), print "%-40s %10s\n" % ("----------------------------------------", \ "-----------"), for event_name in keys: print "%-40s %10d\n" % (event_name, unhandled[event_name]) value='author'>author

path: root/tools/perf/arch/s390

='35'>35

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author	Bjorn Helgaas <bhelgaas@google.com>	2017-02-03 08:53:51 -0600
committer	Bjorn Helgaas <bhelgaas@google.com>	2017-02-03 08:53:51 -0600
commit	d98e0929071e7ef63d35c1838b0ad0805ae366dd (patch)
tree	6236bf3c424643e3b8b8904a879d4c695bcacfeb /drivers
parent	dfef358bd1beb4e7b5c94eca944be9cd23dfc752 (diff)

Revert "PCI: pciehp: Add runtime PM support for PCIe hotplug ports"

This reverts commit 68db9bc814362e7f24371c27d12a4f34477d9356. Yinghai reported that the following manual hotplug sequence: # echo 0 > /sys/bus/pci/slots/8/power # echo 1 > /sys/bus/pci/slots/8/power worked in v4.9, but fails in v4.10-rc1, and that reverting 68db9bc81436 ("PCI: pciehp: Add runtime PM support for PCIe hotplug ports") makes it work again. Fixes: 68db9bc81436 ("PCI: pciehp: Add runtime PM support for PCIe hotplug ports") Link: https://lkml.kernel.org/r/CAE9FiQVCMCa7iVyuwp9z6VrY0cE7V_xghuXip28Ft52=8QmTWw@mail.gmail.com Link: https://bugzilla.kernel.org/show_bug.cgi?id=193951 Reported-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

Diffstat (limited to 'drivers')