(CommandList children: [ (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:tracing) op: Equal rhs: {(/sys/kernel/debug/tracing)} spids: [124] ) ] spids: [124] ) (Sentence child: (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:opt_duration) op:Equal rhs:{(0)} spids:[127])] spids: [127] ) terminator: <Op_Semi ";"> ) (Sentence child: (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:duration) op:Equal rhs:{(SQ )} spids:[131])] spids: [131] ) terminator: <Op_Semi ";"> ) (Sentence child: (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:opt_interval) op:Equal rhs:{(0)} spids:[134])] spids: [134] ) terminator: <Op_Semi ";"> ) (Sentence child: (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:interval) op:Equal rhs:{(999999)} spids:[138])] spids: [138] ) terminator: <Op_Semi ";"> ) (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:opt_timestamp) op:Equal rhs:{(0)} spids:[142])] spids: [142] ) (Sentence child: (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:opt_tail) op:Equal rhs:{(0)} spids:[145])] spids: [145] ) terminator: <Op_Semi ";"> ) (Sentence child: (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:tcmd) op:Equal rhs:{(cat)} spids:[149])] spids: [149] ) terminator: <Op_Semi ";"> ) (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:ttext) op:Equal rhs:{(SQ )} spids:[153])] spids: [153] ) (C {(trap)} {(SQ <"quit=1">)} {(INT)} {(QUIT)} {(TERM)} {(PIPE)} {(HUP)}) (FuncDef name: usage body: (BraceGroup children: [ (SimpleCommand words: [{(cat)}] redirects: [ (HereDoc op_id: Redir_DLessDash fd: -1 body: { (DQ ("USAGE: funccount [-hT] [-i secs] [-d secs] [-t top] funcstring\n") (" -d seconds # total duration of trace\n") (" -h # this usage message\n") (" -i seconds # interval summary\n") (" -t top # show top num entries only\n") (" -T # include timestamp (for -i)\n") (" eg,\n") (" funccount 'vfs*' # trace all funcs that match ") (Right_DoubleQuote "\"") ("vfs*") (Right_DoubleQuote "\"") ("\n") (" funccount -d 5 'tcp*' # trace ") (Right_DoubleQuote "\"") ("tcp*") (Right_DoubleQuote "\"") (" funcs for 5 seconds\n") (" funccount -t 10 'ext3*' # show top 10 ") (Right_DoubleQuote "\"") ("ext3*") (Right_DoubleQuote "\"") (" funcs\n") (" funccount -i 1 'ext3*' # summary every 1 second\n") (" funccount -i 1 -d 5 'ext3*' # 5 x 1 second summaries\n") ("\n") ("See the man page and example file for more info.\n") ) } do_expansion: True here_end: END was_filled: True spids: [184] ) (Redir op_id:Redir_GreatAnd fd:-1 arg_word:{(2)} spids:[187]) ] ) (C {(exit)}) ] spids: [179] ) spids: [175 178] ) (FuncDef name: warn body: (BraceGroup children: [ (If arms: [ (if_arm cond: [ (Sentence child: (Pipeline children:[(C {(eval)} {(DQ ($ VSub_At "$@"))})] negated:True) terminator: <Op_Semi ";"> ) ] action: [ (SimpleCommand words: [ {(echo)} { (DQ ("WARNING: command failed ") (EscapedLiteralPart token: <Lit_EscapedChar "\\\""> ) ($ VSub_At "$@") (EscapedLiteralPart token:<Lit_EscapedChar "\\\"">) ) } ] redirects: [(Redir op_id:Redir_GreatAnd fd:-1 arg_word:{(2)} spids:[245])] ) ] spids: [-1 240] ) ] spids: [-1 256] ) ] spids: [226] ) spids: [222 225] ) (FuncDef name: die body: (BraceGroup children: [ (SimpleCommand words: [{(echo)} {(DQ ($ VSub_At "$@"))}] redirects: [(Redir op_id:Redir_GreatAnd fd:-1 arg_word:{(2)} spids:[270])] ) (C {(exit)} {(1)}) ] spids: [265] ) spids: [261 264] ) (While cond: [(C {(getopts)} {(d) (Lit_Other ":") (hi) (Lit_Other ":") (t) (Lit_Other ":") (T)} {(opt)})] body: (DoGroup children: [ (Case to_match: {($ VSub_Name "$opt")} arms: [ (case_arm pat_list: [{(d)}] action: [ (Sentence child: (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:opt_duration) op: Equal rhs: {(1)} spids: [315] ) ] spids: [315] ) terminator: <Op_Semi ";"> ) (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:duration) op: Equal rhs: {($ VSub_Name "$OPTARG")} spids: [319] ) ] spids: [319] ) ] spids: [312 313 322 -1] ) (case_arm pat_list: [{(i)}] action: [ (Sentence child: (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:opt_interval) op: Equal rhs: {(1)} spids: [328] ) ] spids: [328] ) terminator: <Op_Semi ";"> ) (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:interval) op: Equal rhs: {($ VSub_Name "$OPTARG")} spids: [332] ) ] spids: [332] ) ] spids: [325 326 335 -1] ) (case_arm pat_list: [{(t)}] action: [ (Sentence child: (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:opt_tail) op: Equal rhs: {(1)} spids: [341] ) ] spids: [341] ) terminator: <Op_Semi ";"> ) (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:tnum) op: Equal rhs: {($ VSub_Name "$OPTARG")} spids: [345] ) ] spids: [345] ) ] spids: [338 339 348 -1] ) (case_arm pat_list: [{(T)}] action: [ (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:opt_timestamp) op: Equal rhs: {(1)} spids: [354] ) ] spids: [354] ) ] spids: [351 352 357 -1] ) (case_arm pat_list: [{(h)} {(Lit_Other "?")}] action: [(C {(usage)})] spids: [360 363 367 -1] ) ] spids: [305 309 370] ) ] spids: [302 372] ) ) (C {(shift)} { (ArithSubPart anode: (ArithBinary op_id: Arith_Minus left: (ArithWord w:{($ VSub_Name "$OPTIND")}) right: (ArithWord w:{(Lit_Digits 1)}) ) spids: [376 385] ) } ) (AndOr children: [ (DParen child: (ArithBinary op_id: Arith_DEqual left: (ArithWord w:{($ VSub_Pound "$#")}) right: (ArithWord w:{(Lit_Digits 0)}) ) ) (C {(usage)}) ] op_id: Op_DAmp ) (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:funcs) op: Equal rhs: {(DQ ($ VSub_Number "$1"))} spids: [406] ) ] spids: [406] ) (If arms: [ (if_arm cond: [(Sentence child:(DParen child:(ArithVarRef name:opt_tail)) terminator:<Op_Semi ";">)] action: [ (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:tcmd) op: Equal rhs: {(DQ ("tail -") ($ VSub_Name "$tnum"))} spids: [424] ) ] spids: [424] ) (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:ttext) op: Equal rhs: {(DQ (" Top ") ($ VSub_Name "$tnum") (" only."))} spids: [431] ) ] spids: [431] ) ] spids: [-1 421] ) ] spids: [-1 438] ) (If arms: [ (if_arm cond: [ (Sentence child: (DParen child:(ArithVarRef name:opt_duration)) terminator: <Op_Semi ";"> ) ] action: [ (C {(echo)} { (DQ ("Tracing ") (EscapedLiteralPart token:<Lit_EscapedChar "\\\"">) ($ VSub_Name "$funcs") (EscapedLiteralPart token:<Lit_EscapedChar "\\\"">) (" for ") ($ VSub_Name "$duration") (" seconds.") ($ VSub_Name "$ttext") (..) ) } ) ] spids: [-1 450] ) ] else_action: [ (C {(echo)} { (DQ ("Tracing ") (EscapedLiteralPart token:<Lit_EscapedChar "\\\"">) ($ VSub_Name "$funcs") (EscapedLiteralPart token:<Lit_EscapedChar "\\\"">) (.) ($ VSub_Name "$ttext") (".. Ctrl-C to end.") ) } ) ] spids: [467 482] ) (AndOr children: [ (DParen child: (ArithBinary op_id: Arith_DAmp left: (ArithVarRef name:opt_duration) right: (ArithUnary op_id:Arith_Bang child:(ArithVarRef name:opt_interval)) ) ) (Assignment keyword: Assign_None pairs: [ (assign_pair lhs: (LhsName name:interval) op: Equal rhs: {($ VSub_Name "$duration")} spids: [498] ) ] spids: [498] ) ] op_id: Op_DAmp ) (AndOr children: [ (C {(cd)} {($ VSub_Name "$tracing")}) (C {(die)} { (DQ ("ERROR: accessing tracing. Root user? Kernel has FTRACE?\n") (" debugfs mounted? (mount -t debugfs debugfs /sys/kernel/debug)") ) } ) ] op_id: Op_DPipe ) (C {(sysctl)} {(-q)} {(kernel.ftrace_enabled) (Lit_Other "=") (1)}) (AndOr children: [ (SimpleCommand words: [{(echo)} {(DQ ($ VSub_Name "$funcs"))}] redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(set_ftrace_filter)} spids:[539])] ) (C {(die)} { (DQ ("ERROR: enabling ") (EscapedLiteralPart token:<Lit_EscapedChar "\\\"">) ($ VSub_Name "$funcs") (EscapedLiteralPart token:<Lit_EscapedChar "\\\"">) (". Exiting.") ) } ) ] op_id: Op_DPipe ) (C {(warn)} {(DQ ("echo nop > current_tracer"))}) (If arms: [ (if_arm cond: [ (Sentence child: (Pipeline children: [ (SimpleCommand words: [{(echo)} {(1)}] redirects: [ (Redir op_id: Redir_Great fd: -1 arg_word: {(function_profile_enabled)} spids: [569] ) ] ) ] negated: True ) terminator: <Op_Semi ";"> ) ] action: [ (SimpleCommand words: [{(echo)}] redirects: [(Redir op_id:Redir_Great fd:-1 arg_word:{(set_ftrace_filter)} spids:[579])] ) (C {(die)} {(DQ ("ERROR: enabling function profiling."))} {(DQ ("Have CONFIG_FUNCTION_PROFILER? Exiting."))} ) ] spids: [-1 574] ) ] spids: [-1 595] ) (Sentence child: (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:quit) op:Equal rhs:{(0)} spids:[601])] spids: [601] ) terminator: <Op_Semi ";"> ) (Assignment keyword: Assign_None pairs: [(assign_pair lhs:(LhsName name:secs) op:Equal rhs:{(0)} spids:[605])] spids: [605] ) (While cond: [ (Sentence child: (DParen child: (ArithBinary op_id: Arith_DAmp left: (ArithUnary op_id:Arith_Bang child:(ArithVarRef name:quit)) right: (ArithBinary op_id: Arith_DPipe left: (ArithUnary op_id:Arith_Bang child:(ArithVarRef name:opt_duration)) right: (ArithBinary op_id: Arith_Less left: (ArithVarRef name:secs) right: (ArithVarRef name:duration) ) ) ) ) terminator: <Op_Semi ";"> ) ] body: (DoGroup children: [ (DParen child: (BinaryAssign op_id: Arith_PlusEqual left: (LhsName name:secs) right: (ArithVarRef name:interval) ) ) (SimpleCommand words: [{(echo)} {(0)}] redirects: [ (Redir op_id: Redir_Great fd: -1 arg_word: {(function_profile_enabled)} spids: [653] ) ] ) (SimpleCommand words: [{(echo)} {(1)}] redirects: [ (Redir op_id: Redir_Great fd: -1 arg_word: {(function_profile_enabled)} spids: [662] ) ] ) (C {(sleep)} {($ VSub_Name "$interval")}) (C {(echo)}) (AndOr children: [(DParen child:(ArithVarRef name:opt_timestamp)) (C {(date)})] op_id: Op_DAmp ) (C {(printf)} {(DQ ("%-30s %8s") (EscapedLiteralPart token:<Lit_EscapedChar "\\n">))} {(DQ (FUNC))} {(DQ (COUNT))} ) (Pipeline children: [ (C {(cat)} {(trace_stat/function) (Lit_Other "*")}) (C {(awk)} { (SQ <"\n"> <"\t# skip headers by matching on the numeric hit column\n"> <"\t$2 ~ /[0-9]/ { a[$1] += $2 }\n"> <"\tEND {\n"> <"\t\tfor (k in a) {\n"> <"\t\t\tprintf \"%-30s %8d\\n\", k, a[k]\n"> <"\t\t}\n"> <"\t}"> ) } ) (C {(sort)} {(-n)} {(-k2)}) (C {($ VSub_Name "$tcmd")}) ] negated: False ) ] spids: [634 737] ) ) (SimpleCommand words: [{(echo)}] redirects: [(Redir op_id:Redir_Great fd:2 arg_word:{(/dev/null)} spids:[745])] ) (SimpleCommand words: [{(echo)} {(DQ ("Ending tracing..."))}] redirects: [(Redir op_id:Redir_Great fd:2 arg_word:{(/dev/null)} spids:[754])] ) (C {(warn)} {(DQ ("echo 0 > function_profile_enabled"))}) (C {(warn)} {(DQ ("echo > set_ftrace_filter"))}) ] )