examples/systemtap/generate-winbindd.stp.sh

   1 #!/bin/sh
   2
   3 outfile="$(dirname $0)/winbindd.stp"
   4
   5 child_funcs="winbindd_dual_init_connection
   6 _wbint_InitConnection
   7 _wbint_Ping
   8 _wbint_PamAuth
   9 _wbint_PamAuthCrap
  10 _wbint_PamLogOff
  11 _wbint_PamAuthChangePassword
  12 _wbint_PamAuthCrapChangePassword
  13 _wbint_ListTrustedDomains
  14 _wbint_LookupSid
  15 _wbint_LookupSids
  16 _wbint_LookupName
  17 _wbint_Sids2UnixIDs
  18 _wbint_UnixIDs2Sids
  19 _wbint_AllocateUid
  20 _wbint_AllocateGid
  21 _wbint_GetNssInfo
  22 _wbint_LookupUserAliases
  23 _wbint_LookupUserGroups
  24 _wbint_QuerySequenceNumber
  25 _wbint_LookupGroupMembers
  26 _wbint_QueryGroupList
  27 _wbint_QueryUserRidList
  28 _wbint_DsGetDcName
  29 _wbint_LookupRids
  30 _wbint_CheckMachineAccount
  31 _wbint_ChangeMachineAccount
  32 _wbint_PingDc"
  33
  34 async_funcs="wb_ping
  35 winbindd_lookupsid
  36 winbindd_lookupsids
  37 winbindd_lookupname
  38 winbindd_sids_to_xids
  39 winbindd_xids_to_sids
  40 winbindd_getpwsid
  41 winbindd_getpwnam
  42 winbindd_getpwuid
  43 winbindd_getsidaliases
  44 winbindd_getuserdomgroups
  45 winbindd_getgroups
  46 winbindd_show_sequence
  47 winbindd_getgrgid
  48 winbindd_getgrnam
  49 winbindd_getusersids
  50 winbindd_lookuprids
  51 winbindd_setpwent
  52 winbindd_getpwent
  53 winbindd_endpwent
  54 winbindd_dsgetdcname
  55 winbindd_getdcname
  56 winbindd_setgrent
  57 winbindd_getgrent
  58 winbindd_endgrent
  59 winbindd_list_users
  60 winbindd_list_groups
  61 winbindd_check_machine_acct
  62 winbindd_ping_dc
  63 winbindd_pam_auth
  64 winbindd_pam_logoff
  65 winbindd_pam_chauthtok
  66 winbindd_pam_chng_pswd_auth_crap
  67 winbindd_wins_byip
  68 winbindd_wins_byname
  69 winbindd_allocate_uid
  70 winbindd_allocate_gid
  71 winbindd_change_machine_acct
  72 winbindd_pam_auth_crap"
  73
  74 backend_funcs="query_user_list
  75 enum_dom_groups
  76 enum_local_groups
  77 name_to_sid
  78 sid_to_name
  79 rids_to_names
  80 lookup_usergroups
  81 lookup_useraliases
  82 lookup_groupmem
  83 sequence_number
  84 lockout_policy
  85 password_policy
  86 trusted_domains"
  87
  88 header='#!/usr/bin/stap
  89 #
  90 # Systemtap script to instrument winbindd
  91 #
  92 '"# Generated by examples/systemtap/$(basename $0) on $(date), do not edit
  93 #"'
  94 # Usage:
  95 #
  96 # Instrument all winbindd processes:
  97 # # stap winbindd.stp
  98 #
  99 # Instrument a specific winbindd process:
 100 # # stap -x PID winbindd.stp
 101 #
 102
 103 global dc_running, dc_svctime
 104 global backend_running, backend_svctime
 105 global send_running, recv_running
 106 global start_time, idle_time
 107 global async_svctime, async_runtime
 108
 109 probe begin {
 110         printf("Collecting data, press ctrl-C to stop... ")
 111 }'
 112
 113 domchild_req_template='
 114 #
 115 # winbind domain child function XXX
 116 #
 117
 118 probe process("winbindd").function("XXX") {
 119         dc_running[tid(), "XXX"] = gettimeofday_us()
 120 }
 121
 122 probe process("winbindd").function("XXX").return {
 123         if (!([tid(), "XXX"] in dc_running))
 124                 next
 125
 126         end = gettimeofday_us()
 127         begin = dc_running[tid(), "XXX"]
 128         delete dc_running[tid(), "XXX"]
 129
 130         duration = end - begin
 131         dc_svctime["XXX"] <<< duration
 132 }'
 133
 134 backend_req_template='
 135 #
 136 # winbind domain child backend function XXX
 137 #
 138
 139 probe process("winbindd").function("XXX@../source3/winbindd/winbindd_ads.c") {
 140         backend_running[tid(), "XXX"] = gettimeofday_us()
 141 }
 142
 143 probe process("winbindd").function("XXX@../source3/winbindd/winbindd_ads.c").return {
 144         if (!([tid(), "XXX"] in backend_running))
 145                 next
 146
 147         end = gettimeofday_us()
 148         begin = backend_running[tid(), "XXX"]
 149         delete backend_running[tid(), "XXX"]
 150
 151         duration = end - begin
 152         backend_svctime["XXX"] <<< duration
 153 }'
 154
 155 async_req_template='
 156 #
 157 # winbind async function XXX
 158 #
 159
 160 probe process("winbindd").function("XXX_send") {
 161         send_running["XXX_send"] = gettimeofday_us()
 162 }
 163
 164 probe process("winbindd").function("XXX_send").return {
 165         if (!(["XXX_send"] in send_running))
 166                 next
 167
 168         end = gettimeofday_us()
 169         start = send_running["XXX_send"]
 170         delete send_running["XXX_send"]
 171
 172         start_time["XXX_send", $return] = start
 173         idle_time["XXX_send", $return] = end
 174 }
 175
 176 probe process("winbindd").function("XXX_recv") {
 177         if (!(["XXX_send", $req] in start_time))
 178                 next
 179
 180         recv_running["XXX_recv"] = gettimeofday_us()
 181 }
 182
 183 probe process("winbindd").function("XXX_recv").return {
 184         if (!(["XXX_recv"] in recv_running))
 185                 next
 186
 187         recv_end = gettimeofday_us()
 188         recv_start = recv_running["XXX_recv"]
 189         delete recv_running["XXX_recv"]
 190         recv_runtime = recv_end - recv_start
 191
 192         req = @entry($req)
 193
 194         send_begin = start_time["XXX_send", req]
 195         delete start_time["XXX_send", req]
 196         svctime = recv_end - send_begin
 197
 198         idle = idle_time["XXX_send", req]
 199         delete idle_time["XXX_send", req]
 200         runtime = (idle - send_begin) + recv_runtime
 201
 202         async_svctime["XXX_send"] <<< svctime
 203         async_runtime["XXX_send"] <<< runtime
 204 }'
 205
 206 footer='
 207 probe end {
 208         printf("\n\n")
 209
 210         printf("Winbind request service time\n")
 211         printf("============================\n")
 212         foreach ([name] in async_svctime) {
 213                 printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
 214                        name,
 215                        @count(async_svctime[name]),
 216                        @sum(async_svctime[name]) / 1000,
 217                        @min(async_svctime[name]),
 218                        @avg(async_svctime[name]),
 219                        @max(async_svctime[name]))
 220         }
 221         printf("\n")
 222
 223         printf("Winbind request runtime\n")
 224         printf("=======================\n")
 225         foreach ([name] in async_runtime) {
 226                 printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
 227                        name,
 228                        @count(async_runtime[name]),
 229                        @sum(async_runtime[name]) / 1000,
 230                        @min(async_runtime[name]),
 231                        @avg(async_runtime[name]),
 232                        @max(async_runtime[name]))
 233         }
 234         printf("\n")
 235
 236         printf("Winbind domain-child request service time\n")
 237         printf("=========================================\n")
 238         foreach ([name] in dc_svctime) {
 239                 printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
 240                        name,
 241                        @count(dc_svctime[name]),
 242                        @sum(dc_svctime[name]) / 1000,
 243                        @min(dc_svctime[name]),
 244                        @avg(dc_svctime[name]),
 245                        @max(dc_svctime[name]))
 246         }
 247         printf("\n")
 248
 249         printf("Winbind domain-child AD-backend service time\n")
 250         printf("============================================\n")
 251         foreach ([name] in backend_svctime) {
 252                 printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
 253                        name,
 254                        @count(backend_svctime[name]),
 255                        @sum(backend_svctime[name]) / 1000,
 256                        @min(backend_svctime[name]),
 257                        @avg(backend_svctime[name]),
 258                        @max(backend_svctime[name]))
 259         }
 260         printf("\n")
 261
 262         printf("Winbind request service time distributions (us)\n")
 263         printf("===============================================\n")
 264         foreach ([name] in async_svctime) {
 265                 printf("%s:\n", name);
 266                 println(@hist_log(async_svctime[name]))
 267         }
 268         printf("\n")
 269
 270         printf("Winbind request runtime distributions (us)\n")
 271         printf("==========================================\n")
 272         foreach ([name] in async_runtime) {
 273                 printf("%s:\n", name);
 274                 println(@hist_log(async_runtime[name]))
 275         }
 276
 277         printf("Winbind domain-child request service time distributions (us)\n")
 278         printf("============================================================\n")
 279         foreach ([name] in dc_svctime) {
 280                 printf("%s:\n", name);
 281                 println(@hist_log(dc_svctime[name]))
 282         }
 283
 284         printf("Winbind domain-child AD-backend service time distributions (us)\n")
 285         printf("===============================================================\n")
 286         foreach ([name] in backend_svctime) {
 287                 printf("%s:\n", name);
 288                 println(@hist_log(backend_svctime[name]))
 289         }
 290 }'
 291
 292 cat <<EOF >$outfile
 293 $header
 294 EOF
 295
 296 printf "$child_funcs\n" | while read func; do
 297         printf "$domchild_req_template\n" | sed -e s/XXX/$func/g >>$outfile
 298 done
 299
 300 printf "$backend_funcs\n" | while read func; do
 301         printf "$backend_req_template\n" | sed -e "s|XXX|$func|g" >>$outfile
 302 done
 303
 304 printf "$async_funcs\n" | while read func; do
 305         printf "$async_req_template\n" | sed -e s/XXX/$func/g >>$outfile
 306 done
 307
 308 cat <<EOF >>$outfile
 309 $footer
 310 EOF