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* perf tools: Avoid confusion with preloaded bash function for perf bash ↵Yunlong Song2015-03-191-6/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | completion Since some functions (e.g. '_get_comp_words_by_ref()') in perf bash completion script are originally taken from git bash completion script, these functions may be preloaded before perf bash completion script runs. In order to avoid repeating loading the same function twice, some test constraints are used before these function definitions in the perf bash completion script (e.g. 'type _get_comp_words_by_ref &>/dev/null ||'). The problem is that, if these functions in perf bash completion script are changed for some reason, perf will still use the preloaded bash functions rather than the customized functions of its own. As a result, the perf bash completion will behave incorrectly. To get rid of this problem, a flag can be defined to determine the proper situation. And to avoid overwriting the preloaded functions, the names of these functions in perf bash completion script should be renamed to the perf-customized ones. Example: Before this patch: $ type _get_comp_words_by_ref _get_comp_words_by_ref is a function _get_comp_words_by_ref () { local exclude flag i OPTIND=1; local cur cword words=(); local upargs=() upvars=() vcur vcword vprev vwords; while getopts "c:i:n:p:w:" flag "$@"; do case $flag in c) vcur=$OPTARG ;; i) vcword=$OPTARG ;; n) exclude=$OPTARG ;; p) vprev=$OPTARG ;; w) vwords=$OPTARG ;; esac; done; while [[ $# -ge $OPTIND ]]; do case ${!OPTIND} in cur) vcur=cur ;; prev) vprev=prev ;; cword) vcword=cword ;; words) vwords=words ;; *) echo "bash: $FUNCNAME(): \`${!OPTIND}': unknown argument" 1>&2; return 1 ;; esac; let "OPTIND += 1"; done; __get_cword_at_cursor_by_ref "$exclude" words cword cur; [[ -n $vcur ]] && { upvars+=("$vcur"); upargs+=(-v $vcur "$cur") }; [[ -n $vcword ]] && { upvars+=("$vcword"); upargs+=(-v $vcword "$cword") }; [[ -n $vprev && $cword -ge 1 ]] && { upvars+=("$vprev"); upargs+=(-v $vprev "${words[cword - 1]}") }; [[ -n $vwords ]] && { upvars+=("$vwords"); upargs+=(-a${#words[@]} $vwords "${words[@]}") }; (( ${#upvars[@]} )) && local "${upvars[@]}" && _upvars "${upargs[@]}" } As shown above, the _get_comp_words_by_ref is the preloaded function in fact, rather than the function defined in perf-completion.sh. So if we happen to change the function for some reason, the result will behave in a wrong state. After this patch: We can set preload_get_comp_words_by_ref="false" to not use the preloaded function. Instead, it will use the function defined in perf-completion.sh, which is renamed as __perf_get_comp_words_by_ref to avoid overwriting the preloaded function _get_comp_words_by_ref. $ type __perf_get_comp_words_by_ref __perf_get_comp_words_by_ref is a function __perf_get_comp_words_by_ref () { local exclude cur_ words_ cword_; if [ "$1" = "-n" ]; then exclude=$2; shift 2; fi; __my_reassemble_comp_words_by_ref "$exclude"; cur_=${words_[cword_]}; while [ $# -gt 0 ]; do case "$1" in cur) cur=$cur_ ;; prev) prev=${words_[$cword_-1]} ;; words) words=("${words_[@]}") ;; cword) cword=$cword_ ;; esac; shift; done } As shown above, the function __perf_get_comp_words_by_ref is loaded and can work this time. Note that we do not change the original behavior when those functions are not preloaded before perf bash completion script runs. In this case, although the flag is set to "true", the code will still change it to "false" to use the function defined in perf-completion.sh. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-14-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add the bash completion for listing subsubcommands of perf traceYunlong Song2015-03-191-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing subsubcommands for 'perf trace <TAB>', so fix it. Example: Before this patch: $ perf trace <TAB> $ As shown above, the subsubcommands of perf trace does not come out. After this patch: $ perf trace <TAB> record As shown above, the subsubcommands of perf trace can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-13-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add the bash completion for listing subsubcommands of perf timechartYunlong Song2015-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing subsubcommands for 'perf timechart <TAB>', so fix it. Example: Before this patch: $ perf timechart <TAB> $ As shown above, the subsubcommands of perf timechart does not come out. After this patch: $ perf timechart <TAB> record As shown above, the subsubcommands of perf timechart can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-12-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add the bash completion for listing subsubcommands of perf testYunlong Song2015-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing subsubcommands for 'perf test <TAB>', so fix it. Example: Before this patch: $ perf test <TAB> $ As shown above, the subsubcommands of perf test does not come out. After this patch: $ perf test <TAB> list As shown above, the subsubcommands of perf test can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-11-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add the bash completion for listing subsubcommands of perf scriptYunlong Song2015-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing subsubcommands for 'perf script <TAB>', so fix it. Example: Before this patch: $ perf script <TAB> $ As shown above, the subsubcommands of perf script does not come out. After this patch: $ perf script <TAB> record report As shown above, the subsubcommands of perf script can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-10-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add the bash completion for listing subsubcommands of perf helpYunlong Song2015-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing subsubcommands for 'perf help <TAB>', so fix it. Example: Before this patch: $ perf help <TAB> $ As shown above, the subsubcommands of perf help does not come out. After this patch: $ perf help <TAB> annotate buildid-cache data evlist inject kvm lock probe report script test top bench buildid-list diff help kmem list mem record sched stat timechart trace As shown above, the subsubcommands of perf help can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-9-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Add the bash completion for listing subsubcommands of perf dataYunlong Song2015-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing subsubcommands for 'perf data <TAB>', so fix it. Example: Before this patch: $ perf data <TAB> $ As shown above, the subsubcommands of perf data does not come out. After this patch: $ perf data <TAB> convert As shown above, the subsubcommands of perf data can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-8-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix the bash completion for listing subcommands of perfYunlong Song2015-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing subcommands for 'perf --<long option> <TAB>'. Example: Before this patch: $ perf --debug <TAB> $ As shown above, the subcommands of perf does not come out. After this patch: $ perf --debug <TAB> annotate buildid-cache data evlist inject kvm lock probe report script test top version bench buildid-list diff help kmem list mem record sched stat timechart trace As shown above, the subcommands of perf can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-7-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix the bash completion to support listing events for --eventYunlong Song2015-03-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion only supports -e rather than --event, so fix it. Example: Before this patch: $ perf record --event <TAB> $ As shown above, the events of record does not come out. After this patch: $ perf record --event <TAB> lignment-faults cpu/instructions/ L1-dcache-prefetch-misses node-prefetches uncore_rbox_0/qpi0_idle_filt/ branch-instructions cpu/mem-loads/ L1-dcache-store-misses node-prefetch-misses uncore_rbox_0/qpi1_date_response/ branch-load-misses cpu-migrations L1-dcache-stores node-store-misses uncore_rbox_0/qpi1_filt_send/ branch-loads dTLB-load-misses L1-icache-load-misses node-stores uncore_rbox_0/qpi1_idle_filt/ ... As shown above, the events of record can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-6-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix the bash completion for listing events of perf subcommand ↵Yunlong Song2015-03-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | record|stat|top -e The bash completion does not support listing events for 'perf kvm|kmem| mem|lock|sched record|stat|top -e <TAB>', where 'kvm|kmem|mem|lock|sched' are all subcommands of perf. Example: Before this patch: $ perf kvm record -e <TAB> $ As shown above, the events of record does not come out. After this patch: $ perf kvm record -e <TAB> alignment-faults cpu/instructions/ L1-dcache-prefetch-misses node-prefetches uncore_rbox_0/qpi0_idle_filt/ branch-instructions cpu/mem-loads/ L1-dcache-store-misses node-prefetch-misses uncore_rbox_0/qpi1_date_response/ branch-load-misses cpu-migrations L1-dcache-stores node-store-misses uncore_rbox_0/qpi1_filt_send/ branch-loads dTLB-load-misses L1-icache-load-misses node-stores uncore_rbox_0/qpi1_idle_filt/ ... As shown above, the events of record can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-5-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Provide the right bash completion for listing options of perf ↵Yunlong Song2015-03-191-2/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | subcommand subsubcommand The bash completion gives wrong options for 'perf kvm|kmem|mem|lock| sched subsubcommand --<TAB>', where 'kvm|kmem|mem|lock|sched' are all subcommands of perf and 'subsubcommand' is a subcommand of 'kvm|kmem|mem |lock|sched'. In fact, the result incorrectly lists the bash completion of 'perf subcommand' rather than 'perf subcommand subsubcommand'. Example: Before this patch: $ perf kvm record --<TAB> --guest --guestkallsyms --guestmodules --guestmount --guestvmlinux --host --input --output --verbose As shown above, the result is the options of kvm rather than record. After this patch: $ perf kvm record --<TAB> --all-cpus --cgroup --delay --group --no-buildid --output --quiet --stat --uid --branch-any --count --event --intr-regs --no-buildid-cache --period --raw-samples --tid --verbose --branch-filter --cpu --filter --mmap-pages --no-inherit --per-thread --realtime --timestamp --weight --call-graph --data --freq --no-buffering --no-samples --pid --running-time --transaction As shown above, the result is exactly the options of record as we wished. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-4-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix the bash completion for listing subsubcommands of perf ↵Yunlong Song2015-03-191-2/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | subcommand The bash completion does not support listing subsubcommands for 'perf kvm|kmem|mem|lock|sched --<long option> <TAB>', where 'kvm|kmem|mem| lock|sched' are all subcommands of perf. Example: Before this patch: $ perf kvm --verbose <TAB> $ As shown above, the subsubcommands of perf kvm does not come out. After this patch: $ perf kvm --verbose <TAB> buildid-list diff record report stat top As shown above, the subsubcommands of perf kvm can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1426685758-25488-3-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix the bash completion for listing options of perf subcommandYunlong Song2015-03-191-9/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The bash completion does not support listing options for 'perf kvm|kmem|mem|lock|sched --<TAB>', where 'kvm|kmem|mem|lock|sched' are all subcommands of perf. Example: Before this patch: $ perf kvm --<TAB> $ As shown above, the options of perf kvm does not come out. After this patch: $ perf kvm --<TAB> --alloc --caller --input --line --raw-ip --sort --verbose As shown above, the options of perf kvm can come out now. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> 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/1426685758-25488-2-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf tools: Fix the bash completion problem of 'perf --*'Yunlong Song2015-02-271-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The perf-completion.sh uses a predefined string '--help --version --exec-path --html-path --paginate --no-pager --perf-dir --work-tree --debugfs-dir' for the bash completion of 'perf --*', which has two problems: Problem 1: If the options of perf are changed (see handle_options() in perf.c), the perf-completion.sh has to be changed at the same time. If not, the bash completion of 'perf --*' and the options which perf really supports will be inconsistent. Problem 2: When typing another single character after 'perf --', e.g. 'h', and hit TAB key to get the bash completion of 'perf --h', the character 'h' disappears at once. This is not what we want, we wish the bash completion can return '--help --html-path' and then we can continue to choose one. To solve this problem, we add '--list-opts' to perf, which now supports 'perf --list-opts' directly, and its result can be used in bash completion now. Example: Before this patch: $ perf --h <-- hit TAB key after character 'h' $ perf -- <-- 'h' disappears and no required result After this patch: $ perf --h <-- hit TAB key after character 'h' --help --html-path <-- the required result Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Ingo Molnar <mingo@redhat.com> 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/1425032491-20224-8-git-send-email-yunlong.song@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf sched: Introduce --list-cmds for use by scriptsRamkumar Ramachandra2014-04-161-1/+1
| | | | | | | | | | Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Acked-by: David Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1394853474-31019-5-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@redhat.com>
* perf lock: Introduce --list-cmds for use by scriptsRamkumar Ramachandra2014-04-161-1/+1
| | | | | | | | | | Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Acked-by: David Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1394853474-31019-4-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@redhat.com>
* perf mem: Introduce --list-cmds for use by scriptsRamkumar Ramachandra2014-04-161-1/+1
| | | | | | | | | | Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Acked-by: David Ahern <dsahern@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1394853474-31019-3-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@redhat.com>
* perf kmem: Introduce --list-cmds for use by scriptsRamkumar Ramachandra2014-04-161-2/+2
| | | | | | | | | Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Acked-by: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/1394853474-31019-2-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jiri Olsa <jolsa@redhat.com>
* perf kvm: introduce --list-cmds for use by scriptsRamkumar Ramachandra2014-03-141-1/+1
| | | | | | | | | | | | | | | | | Introduce $ perf kvm --list-cmds to dump a raw list of commands for use by the completion script. In order to do this, introduce parse_options_subcommand() for handling subcommands as a special case in the parse-options machinery. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Acked-by: David Ahern <dsahern@gmail.com> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: David Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/1393896396-10427-1-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf completion: Complete 'perf kvm'Ramkumar Ramachandra2013-12-131-0/+4
| | | | | | | | | Currently, there is no way to enumerate the subcommands under 'perf kvm', so hardcode them. Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Link: http://lkml.kernel.org/r/1386758056-24618-2-git-send-email-artagnon@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* perf completion: Rename file to reflect zsh supportRamkumar Ramachandra2013-11-271-0/+202
Signed-off-by: Ramkumar Ramachandra <artagnon@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Link: http://lkml.kernel.org/r/1384704807-15779-6-git-send-email-artagnon@gmail.com [ Fix 'make install' target ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>