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228f14f2cb
When '--sort' is not set, 'perf mem report" will print a null pointer as the output value of sort order, so fix it. Example: Before this patch: $ perf mem report # To display the perf.data header info, please use --header/--header-only options. # # Samples: 18 of event 'cpu/mem-loads/pp' # Total weight : 188 # Sort order : (null) # ... After this patch: $ perf mem report # To display the perf.data header info, please use --header/--header-only options. # # Samples: 18 of event 'cpu/mem-loads/pp' # Total weight : 188 # Sort order : local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked # ... Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1427082605-12881-1-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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