# perf script event handlers, generated by perf script -g perl # (c) 2009, 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, perl scripting support should be ok. use lib "$ENV{'PERF_EXEC_PATH'}/scripts/perl/Perf-Trace-Util/lib"; use lib "./Perf-Trace-Util/lib"; use Perf::Trace::Core; use Perf::Trace::Context; use Perf::Trace::Util; sub trace_begin { print "trace_begin\n"; } sub trace_end { print "trace_end\n"; print_unhandled(); } sub irq::softirq_entry { my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm, $vec) = @_; print_header($event_name, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm); print_uncommon($context); printf("vec=%s\n", symbol_str("irq::softirq_entry", "vec", $vec)); } sub kmem::kmalloc { my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm, $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); printf("call_site=%p, ptr=%p, bytes_req=%u, bytes_alloc=%u, ". "gfp_flags=%s\n", $call_site, $ptr, $bytes_req, $bytes_alloc, flag_str("kmem::kmalloc", "gfp_flags", $gfp_flags)); } # print trace fields not included in handler args sub print_uncommon { my ($context) = @_; printf("common_preempt_count=%d, common_flags=%s, common_lock_depth=%d, ", common_pc($context), trace_flag_str(common_flags($context)), common_lock_depth($context)); } my %unhandled; sub print_unhandled { if ((scalar keys %unhandled) == 0) { return; } print "\nunhandled events:\n\n"; printf("%-40s %10s\n", "event", "count"); printf("%-40s %10s\n", "----------------------------------------", "-----------"); foreach my $event_name (keys %unhandled) { printf("%-40s %10d\n", $event_name, $unhandled{$event_name}); } } sub trace_unhandled { my ($event_name, $context, $common_cpu, $common_secs, $common_nsecs, $common_pid, $common_comm) = @_; $unhandled{$event_name}++; } sub print_header { my ($event_name, $cpu, $secs, $nsecs, $pid, $comm) = @_; printf("%-20s %5u %05u.%09u %8u %-20s ", $event_name, $cpu, $secs, $nsecs, $pid, $comm); } ' name='q' value=''/>
path: root/tools/perf/arch/x86/util/group.c
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authorLinus Torvalds <torvalds@linux-foundation.org>2017-01-30 15:47:19 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-01-30 15:47:19 -0800
commitf9a42e0d58cf0fe3d902e63d4582f2ea4cd2bb8b (patch)
tree4078d3ae27d4ebb85bdcd4d84e9b9a4d059f22bb /tools/perf/arch/x86/util/group.c
parent751321b3dd5040dc5be19bd23f985e80c914621a (diff)
parent54791b276b4000b307339f269d3bf7db877d536f (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc fixes from David Miller: "Several small bug fixes and tidies, along with a fix for non-resumable memory errors triggered by userspace" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: sparc64: Handle PIO & MEM non-resumable errors. sparc64: Zero pages on allocation for mondo and error queues. sparc: Fixed typo in sstate.c. Replaced panicing with panicking sparc: use symbolic names for tsb indexing
Diffstat (limited to 'tools/perf/arch/x86/util/group.c')