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* perf report: Add --dsos parameterArnaldo Carvalho de Melo2009-06-30
| | | | | | | | | | | | So that we can filter by dso. Symbols in other dsos won't be accounted for. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1246399282-20934-2-git-send-email-acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Adjust only prelinked symbol's addressesArnaldo Carvalho de Melo2009-06-30
| | | | | | | | | | | | | | | | | | | | | | | | | | I.e. we can't handle these two kinds of files in the same way: 1) prelinked system library: [acme@doppio pahole]$ readelf -s /usr/lib64/libdw-0.141.so | egrep 'FUNC.+GLOBAL.+dwfl_report_elf' 278: 00000030450105a0 261 FUNC GLOBAL DEFAULT 12 dwfl_report_elf@@ELFUTILS_0.122 2) not prelinked library with debug information from a -debuginfo package: [acme@doppio pahole]$ readelf -s /usr/lib/debug/usr/lib64/libdw-0.141.so.debug | egrep 'FUNC.+GLOBAL.+dwfl_report_elf' 629: 00000000000105a0 261 FUNC GLOBAL DEFAULT 12 dwfl_report_elf [acme@doppio pahole]$ Now the numbers I got for a pahole perf run are in line with the numbers I get from oprofile. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20090630144317.GB12663@ghostprotocols.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Remove dead codeIngo Molnar2009-06-27
| | | | | | | | | | | | | | | | Vince Weaver reported that there's a handful of #ifdef __MINGW32__ sections in the code. Remove them as they are in essence dead code - as unlike upstream Git, the perf tool is unlikely to be ported to Windows. Reported-by: Vince Weaver <vince@deater.net> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Prepare a small callchain frameworkFrederic Weisbecker2009-06-26
| | | | | | | | | | | | | | | | | We plan to display the callchains depending on some user-configurable parameters. To gather the callchains stats from the recorded stream in a fast way, this patch introduces an ad hoc radix tree adapted for callchains and also a rbtree to sort these callchains once we have gathered every events from the stream. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1246026481-8314-2-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Add alias for 'l1d' and 'l1i'Jaswinder Singh Rajput2009-06-25
| | | | | | | | | | | | Add 'l1d' and 'l1i' aliases again as shortcuts - just dont make them the primary display alias. Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1245945462.9157.11.camel@hpdv5.satnam> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Rework the file formatPeter Zijlstra2009-06-25
| | | | | | | | | | Create a structured file format that includes the full perf_counter_attr and all its relevant counter IDs so that the reporting program has full information. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Shorten names for eventsJaswinder Singh Rajput2009-06-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Added new alias for events. On AMD box: $ ./perf stat -e l1d -e l1d-misses -e l1d-write -e l1d-prefetch -e l1d-prefetch-miss -e l1i -e l1i-misses -e l1i-prefetch -e l2 -e l2-misses -e l2-write -e dtlb -e dtlb-misses -e itlb -e itlb-misses -e bpu -e bpu-misses -- ls -lR /usr/include/ > /dev/null Before : Performance counter stats for 'ls -lR /usr/include/': 248064467 L1-data-Cache-Load-Referencees (scaled from 23.27%) 1001433 L1-data-Cache-Load-Misses (scaled from 23.34%) 153691 L1-data-Cache-Store-Referencees (scaled from 23.34%) 423248 L1-data-Cache-Prefetch-Referencees (scaled from 23.33%) 302138 L1-data-Cache-Prefetch-Misses (scaled from 23.25%) 251217546 L1-instruction-Cache-Load-Referencees (scaled from 23.25%) 5757005 L1-instruction-Cache-Load-Misses (scaled from 23.23%) 93435 L1-instruction-Cache-Prefetch-Referencees (scaled from 23.24%) 6496073 L2-Cache-Load-Referencees (scaled from 23.32%) 609485 L2-Cache-Load-Misses (scaled from 23.45%) 6876991 L2-Cache-Store-Referencees (scaled from 23.71%) 248922840 Data-TLB-Cache-Load-Referencees (scaled from 23.94%) 5828386 Data-TLB-Cache-Load-Misses (scaled from 24.17%) 257613506 Instruction-TLB-Cache-Load-Referencees (scaled from 24.20%) 6833 Instruction-TLB-Cache-Load-Misses (scaled from 23.88%) 109043606 Branch-Cache-Load-Referencees (scaled from 23.64%) 5552296 Branch-Cache-Load-Misses (scaled from 23.42%) 0.413702461 seconds time elapsed. After : Peformance counter stats for 'ls -lR /usr/include/': 266590464 L1-d$-loads (scaled from 23.03%) 1222273 L1-d$-load-misses (scaled from 23.58%) 146204 L1-d$-stores (scaled from 23.83%) 406344 L1-d$-prefetches (scaled from 24.09%) 283748 L1-d$-prefetch-misses (scaled from 24.10%) 249650965 L1-i$-loads (scaled from 23.80%) 3353961 L1-i$-load-misses (scaled from 23.82%) 104599 L1-i$-prefetches (scaled from 23.68%) 4836405 LLC-loads (scaled from 23.67%) 498214 LLC-load-misses (scaled from 23.66%) 4953994 LLC-stores (scaled from 23.64%) 243354097 dTLB-loads (scaled from 23.77%) 6468584 dTLB-load-misses (scaled from 23.74%) 249719549 iTLB-loads (scaled from 23.25%) 5060 iTLB-load-misses (scaled from 23.00%) 112343016 branch-loads (scaled from 22.76%) 5528876 branch-load-misses (scaled from 22.54%) 0.427154051 seconds time elapsed. Reported-by : Ingo Molnar <mingo@elte.hu> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <1245934522.5308.39.camel@hpdv5.satnam> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Check for valid cache operationsJaswinder Singh Rajput2009-06-25
| | | | | | | | | | | | | | | | | Made new table for cache operartion stat 'hw_cache_stat' as: L1I : Read and prefetch only ITLB and BPU : Read-only introduce is_cache_op_valid() for cache operation validity And checks for valid cache operations. Reported-by : Ingo Molnar <mingo@elte.hu> Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <1245930367.5308.33.camel@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Fix strbuf_fread() error path handlingRoel Kluin2009-06-24
| | | | | | | | | | | | | size_t res cannot be less than 0 - fread returns 0 on error. [ Updated by: René Scharfe <rene.scharfe@lsrfire.ath.cx> ] Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Junio C Hamano <gitster@pobox.com> LKML-Reference: <4A3FB479.2090902@lsrfire.ath.cx> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Set alias for page-faultsJaswinder Singh Rajput2009-06-22
| | | | | | | | | | | "faults" should be alias for "page-faults" Also fixed alignment and 80 characters issue Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <1245683846.12092.1.camel@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf report: Output more symbol related debug dataPeter Zijlstra2009-06-22
| | | | | | | | | | | Print more symbol relocation related info under -vv. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Introduce alias member in event_symbolJaswinder Singh Rajput2009-06-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | By introducing alias member in event_symbol : 1. duplicate lines are removed, like: cpu-cycles and cycles branch-instructions and branches context-switches and cs cpu-migrations and migrations 2. We can also add alias for another events. Now ./perf list looks like : List of pre-defined events (to be used in -e): cpu-cycles OR cycles [Hardware event] instructions [Hardware event] cache-references [Hardware event] cache-misses [Hardware event] branch-instructions OR branches [Hardware event] branch-misses [Hardware event] bus-cycles [Hardware event] cpu-clock [Software event] task-clock [Software event] page-faults [Software event] faults [Software event] minor-faults [Software event] major-faults [Software event] context-switches OR cs [Software event] cpu-migrations OR migrations [Software event] rNNN [raw hardware event descriptor] Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <1245669268.17153.8.camel@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Define separate declarations for H/W and S/W eventsJaswinder Singh Rajput2009-06-22
| | | | | | | | | | | | | | | Define separate declarations for H/W and S/W events to: 1. Shorten name to save some space so that we can add more members 2. Fix alignment 3. Avoid declaring HARDWARE/SOFTWARE again and again. Removed unused CR(x, y) Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> LKML-Reference: <1245669194.17153.6.camel@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Fix vmlinux fallback when running on a different kernelIngo Molnar2009-06-21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Lucas De Marchi reported that perf report and perf annotate displays mismatching profile if a perf.data is analyzed on an older kernel - even if the correct vmlinux is specified via the -k option. The reason is the fallback path in util/symbol.c:dso__load_kernel(): int dso__load_kernel(struct dso *self, const char *vmlinux, symbol_filter_t filter, int verbose) { int err = -1; if (vmlinux) err = dso__load_vmlinux(self, vmlinux, filter, verbose); if (err) err = dso__load_kallsyms(self, filter, verbose); return err; } dso__load_vmlinux() returns negative on error, but on success it returns the number of symbols loaded - which confuses the function to load the kallsyms. This is normally harmless, as reporting is usually performed on the same kernel that is analyzed - but if there's a mismatch then we load the wrong kallsyms and create a non-sensical symbol tree. The fix is to only fall back to kallsyms on errors. Reported-by: Lucas De Marchi <lucas.de.marchi@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Define and use our own u64, s64 etc. definitionsPaul Mackerras2009-06-19
| | | | | | | | | | | | | | | | | | | | | | | | | | | On 64-bit powerpc, __u64 is defined to be unsigned long rather than unsigned long long. This causes compiler warnings every time we print a __u64 value with %Lx. Rather than changing __u64, we define our own u64 to be unsigned long long on all architectures, and similarly s64 as signed long long. For consistency we also define u32, s32, u16, s16, u8 and s8. These definitions are put in a new header, types.h, because these definitions are needed in util/string.h and util/symbol.h. The main change here is the mechanical change of __[us]{64,32,16,8} to remove the "__". The other changes are: * Create types.h * Include types.h in perf.h, util/string.h and util/symbol.h * Add types.h to the LIB_H definition in Makefile * Added (u64) casts in process_overflow_event() and print_sym_table() to kill two remaining warnings. Signed-off-by: Paul Mackerras <paulus@samba.org> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: benh@kernel.crashing.org LKML-Reference: <19003.33494.495844.956580@cargo.ozlabs.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Add and use isprint()Peter Zijlstra2009-06-18
| | | | | | | | | | | | | | Introduce isprint() to print out raw event dumps to ASCII, etc. (This is an extension to upstream Git's ctype.c.) Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> [ removed openssl.h inclusion from util.h - it leaked ctype.h ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Replace isprint() with issane()Peter Zijlstra2009-06-17
| | | | | | | | | | | | | | | The Git utils came with a ctype replacement that doesn't provide isprint(). Add a replacement. Solves a build bug on certain distros. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf stat: Reorganize outputIngo Molnar2009-06-13
| | | | | | | | | | | | | | - use IPC for the instruction normalization output - CPUs for the CPU utilization factor value. - print out time elapsed like the other rows - tidy up the task-clocks/cpu-clocks printout Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf annotate: Print the filename:line for annotated colored linesFrederic Weisbecker2009-06-13
| | | | | | | | | | | | | | | | | | | | | | When we have a colored line in perf annotate, ie a middle/high overhead one, it's sometimes useful to get the matching line and filename from the source file, especially this path prepares to another subsequent one which will print a sorted summary of midle/high overhead lines in the beginning of the output. Filename:Lines have the same color than the concerned ip lines. It can be slow because it relies on addr2line. We could also use objdump with -l but that implies we would have to bufferize objdump output and parse it to filter the relevant lines since we want to print a sorted summary in the beginning. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1244844682-12928-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Remove one L1-data aliasYong Wang2009-06-12
| | | | | | | | | | | Otherwise all L1-instruction aliases will be recognized as L1-data by strcasestr() when calling function parse_aliases. Signed-off-by: Yong Wang <yong.y.wang@intel.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <20090612031706.GA22126@ywang-moblin2.bj.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter: Standardize event namesPeter Zijlstra2009-06-11
| | | | | | | | | | | Pure renames only, to PERF_COUNT_HW_* and PERF_COUNT_SW_*. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Clean up u64 usageIngo Molnar2009-06-11
| | | | | | | | | | | | | | | | | | | A build error slipped in: builtin-report.c: In function ‘hist_entry__fprintf’: builtin-report.c:711: error: format ‘%12d’ expects type ‘int’, but argument 3 has type ‘uint64_t’ Because we got a bit sloppy with those types. uint64_t really sucks, because there's no printf format for it. So standardize on __u64 instead - for all types that go to or come from the ABI (which is __u64), or for values that need to be large enough even on 32-bit. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf report: Add support for profiling JIT generated codePekka Enberg2009-06-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for profiling JIT generated code to 'perf report'. A JIT compiler is required to generate a "/tmp/perf-$PID.map" symbols map that is parsed when looking and displaying symbols. Thanks to Peter Zijlstra for his help with this patch! Example "perf report" output with the Jato JIT: # # (40311 samples) # # Overhead Command Shared Object Symbol # ........ ................ ......................... ...... # 97.80% jato /tmp/perf-11915.map [.] Fibonacci.fib(I)I 0.56% jato 00000000b7fa023b 0x000000b7fa023b 0.45% jato /tmp/perf-11915.map [.] Fibonacci.main([Ljava/lang/String;)V 0.38% jato [kernel] [k] get_page_from_freelist 0.06% jato [kernel] [k] kunmap_atomic 0.05% jato ./jato [.] utf8Hash 0.04% jato ./jato [.] executeJava 0.04% jato ./jato [.] defineClass Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: a.p.zijlstra@chello.nl Cc: acme@redhat.com LKML-Reference: <Pine.LNX.4.64.0906082111590.12407@melkki.cs.Helsinki.FI> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf top: Fall back to cpu-clock-tick hrtimer sampling if no cycle counter ↵Ingo Molnar2009-06-07
| | | | | | | | | | | | | | | | | | | available On architectures/CPUs without PMU support but with perfcounters enabled 'perf top' currently fails because it cannot create a cycle based hw-perfcounter. Fall back to the cpu-clock-tick sw-perfcounter in this case, which is hrtimer based and will always work (as long as perfcounters is enabled). Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Initialize a stack variable before useArjan van de Ven2009-06-06
| | | | | | | | | | | | | | | | the "perf report" utility crashed in some circumstances because the "sym" stack variable was not initialized before used (as also proven by valgrind). With this fix both the crash goes away and valgrind no longer complains. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Fix error condition in parse_aliases()Ingo Molnar2009-06-06
| | | | | | | | | | | | | | | | gcc warned about this bug: util/parse-events.c: In function ‘parse_generic_hw_symbols’: util/parse-events.c:175: warning: comparison is always false due to limited range of data type util/parse-events.c:182: warning: comparison is always false due to limited range of data type util/parse-events.c:190: warning: comparison is always false due to limited range of data type Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Warning fixes on 32-bitArjan van de Ven2009-06-06
| | | | | | | | | Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* perf_counter tools: Move from Documentation/perf_counter/ to tools/perf/Ingo Molnar2009-06-06
Several people have suggested that 'perf' has become a full-fledged tool that should be moved out of Documentation/. Move it to the (new) tools/ directory. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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