2024-12-23 17:34:34 +03:00 · 2017-06-30 19:37:03 +02:00 · 2017-06-30 19:37:03 +02:00 · 1b7b7a9275
commit 1b7b7a9275
parent 995aec51da
2 changed files with 3168 additions and 0 deletions
--- a/examples/systemtap/generate-winbindd.stp.sh
+++ b/examples/systemtap/generate-winbindd.stp.sh
@ -0,0 +1,309 @@
+#!/bin/sh
+
+outfile="$(dirname $0)/winbindd.stp"
+
+child_funcs="winbindd_dual_ping
+winbindd_dual_list_trusted_domains
+winbindd_dual_init_connection
+winbindd_dual_pam_auth
+winbindd_dual_pam_auth_crap
+winbindd_dual_pam_logoff
+winbindd_dual_pam_chng_pswd_auth_crap
+winbindd_dual_pam_chauthtok
+_wbint_LookupSid
+_wbint_LookupSids
+_wbint_LookupName
+_wbint_Sids2UnixIDs
+_wbint_UnixIDs2Sids
+_wbint_AllocateUid
+_wbint_AllocateGid
+_wbint_GetNssInfo
+_wbint_LookupUserAliases
+_wbint_LookupUserGroups
+_wbint_QuerySequenceNumber
+_wbint_LookupGroupMembers
+_wbint_QueryGroupList
+_wbint_QueryUserRidList
+_wbint_DsGetDcName
+_wbint_LookupRids
+_wbint_CheckMachineAccount
+_wbint_ChangeMachineAccount
+_wbint_PingDc"
+
+async_funcs="wb_ping
+winbindd_lookupsid
+winbindd_lookupsids
+winbindd_lookupname
+winbindd_sids_to_xids
+winbindd_xids_to_sids
+winbindd_getpwsid
+winbindd_getpwnam
+winbindd_getpwuid
+winbindd_getsidaliases
+winbindd_getuserdomgroups
+winbindd_getgroups
+winbindd_show_sequence
+winbindd_getgrgid
+winbindd_getgrnam
+winbindd_getusersids
+winbindd_lookuprids
+winbindd_setpwent
+winbindd_getpwent
+winbindd_endpwent
+winbindd_dsgetdcname
+winbindd_getdcname
+winbindd_setgrent
+winbindd_getgrent
+winbindd_endgrent
+winbindd_list_users
+winbindd_list_groups
+winbindd_check_machine_acct
+winbindd_ping_dc
+winbindd_pam_auth
+winbindd_pam_logoff
+winbindd_pam_chauthtok
+winbindd_pam_chng_pswd_auth_crap
+winbindd_wins_byip
+winbindd_wins_byname
+winbindd_allocate_uid
+winbindd_allocate_gid
+winbindd_change_machine_acct
+winbindd_pam_auth_crap"
+
+backend_funcs="query_user_list
+enum_dom_groups
+enum_local_groups
+name_to_sid
+sid_to_name
+rids_to_names
+lookup_usergroups
+lookup_useraliases
+lookup_groupmem
+sequence_number
+lockout_policy
+password_policy
+trusted_domains"
+
+header='#!/usr/bin/stap
+#
+# Systemtap script to instrument winbindd
+#
+'"# Generated by examples/systemtap/$(basename $0) on $(date), do not edit
+#"'
+# Usage:
+#
+# Instrument all winbindd processes:
+# # stap winbindd.stp
+#
+# Instrument a specific winbindd process:
+# # stap -x PID winbindd.stp
+#
+
+global dc_running, dc_svctime
+global backend_running, backend_svctime
+global send_running, recv_running
+global start_time, idle_time
+global async_svctime, async_runtime
+
+probe begin {
+	printf("Collecting data, press ctrl-C to stop... ")
+}'
+
+domchild_req_template='
+#
+# winbind domain child function XXX
+#
+
+probe process("winbindd").function("XXX") {
+	dc_running[tid(), "XXX"] = gettimeofday_us()
+}
+
+probe process("winbindd").function("XXX").return {
+	if (!([tid(), "XXX"] in dc_running))
+		next
+
+	end = gettimeofday_us()
+	begin = dc_running[tid(), "XXX"]
+	delete dc_running[tid(), "XXX"]
+
+	duration = end - begin
+	dc_svctime["XXX"] <<< duration
+}'
+
+backend_req_template='
+#
+# winbind domain child backend function XXX
+#
+
+probe process("winbindd").function("XXX@../source3/winbindd/winbindd_ads.c") {
+	backend_running[tid(), "XXX"] = gettimeofday_us()
+}
+
+probe process("winbindd").function("XXX@../source3/winbindd/winbindd_ads.c").return {
+	if (!([tid(), "XXX"] in backend_running))
+		next
+
+	end = gettimeofday_us()
+	begin = backend_running[tid(), "XXX"]
+	delete backend_running[tid(), "XXX"]
+
+	duration = end - begin
+	backend_svctime["XXX"] <<< duration
+}'
+
+async_req_template='
+#
+# winbind async function XXX
+#
+
+probe process("winbindd").function("XXX_send") {
+	send_running["XXX_send"] = gettimeofday_us()
+}
+
+probe process("winbindd").function("XXX_send").return {
+	if (!(["XXX_send"] in send_running))
+		next
+
+	end = gettimeofday_us()
+	start = send_running["XXX_send"]
+	delete send_running["XXX_send"]
+
+	start_time["XXX_send", $return] = start
+	idle_time["XXX_send", $return] = end
+}
+
+probe process("winbindd").function("XXX_recv") {
+	if (!(["XXX_send", $req] in start_time))
+		next
+
+	recv_running["XXX_recv"] = gettimeofday_us()
+}
+
+probe process("winbindd").function("XXX_recv").return {
+	if (!(["XXX_recv"] in recv_running))
+		next
+
+	recv_end = gettimeofday_us()
+	recv_start = recv_running["XXX_recv"]
+	delete recv_running["XXX_recv"]
+	recv_runtime = recv_end - recv_start
+
+	req = @entry($req)
+
+	send_begin = start_time["XXX_send", req]
+	delete start_time["XXX_send", req]
+	svctime = recv_end - send_begin
+
+	idle = idle_time["XXX_send", req]
+	delete idle_time["XXX_send", req]
+	runtime = (idle - send_begin) + recv_runtime
+
+	async_svctime["XXX_send"] <<< svctime
+	async_runtime["XXX_send"] <<< runtime
+}'
+
+footer='
+probe end {
+	printf("\n\n")
+
+	printf("Winbind request service time\n")
+	printf("============================\n")
+	foreach ([name] in async_svctime) {
+		printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
+		       name,
+		       @count(async_svctime[name]),
+		       @sum(async_svctime[name]) / 1000,
+		       @min(async_svctime[name]),
+		       @avg(async_svctime[name]),
+		       @max(async_svctime[name]))
+	}
+	printf("\n")
+
+	printf("Winbind request runtime\n")
+	printf("=======================\n")
+	foreach ([name] in async_runtime) {
+		printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
+		       name,
+		       @count(async_runtime[name]),
+		       @sum(async_runtime[name]) / 1000,
+		       @min(async_runtime[name]),
+		       @avg(async_runtime[name]),
+		       @max(async_runtime[name]))
+	}
+	printf("\n")
+
+	printf("Winbind domain-child request service time\n")
+	printf("=========================================\n")
+	foreach ([name] in dc_svctime) {
+		printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
+		       name,
+		       @count(dc_svctime[name]),
+		       @sum(dc_svctime[name]) / 1000,
+		       @min(dc_svctime[name]),
+		       @avg(dc_svctime[name]),
+		       @max(dc_svctime[name]))
+	}
+	printf("\n")
+
+	printf("Winbind domain-child AD-backend service time\n")
+	printf("============================================\n")
+	foreach ([name] in backend_svctime) {
+		printf("%-40s count: %5d, sum: %6d ms (min: %6d us, avg: %6d us, max: %6d us)\n",
+		       name,
+		       @count(backend_svctime[name]),
+		       @sum(backend_svctime[name]) / 1000,
+		       @min(backend_svctime[name]),
+		       @avg(backend_svctime[name]),
+		       @max(backend_svctime[name]))
+	}
+	printf("\n")
+
+	printf("Winbind request service time distributions (us)\n")
+	printf("===============================================\n")
+	foreach ([name] in async_svctime) {
+		printf("%s:\n", name);
+		println(@hist_log(async_svctime[name]))
+	}
+	printf("\n")
+
+	printf("Winbind request runtime distributions (us)\n")
+	printf("==========================================\n")
+	foreach ([name] in async_runtime) {
+		printf("%s:\n", name);
+		println(@hist_log(async_runtime[name]))
+	}
+
+	printf("Winbind domain-child request service time distributions (us)\n")
+	printf("============================================================\n")
+	foreach ([name] in dc_svctime) {
+		printf("%s:\n", name);
+		println(@hist_log(dc_svctime[name]))
+	}
+
+	printf("Winbind domain-child AD-backend service time distributions (us)\n")
+	printf("===============================================================\n")
+	foreach ([name] in backend_svctime) {
+		printf("%s:\n", name);
+		println(@hist_log(backend_svctime[name]))
+	}
+}'
+
+cat <<EOF > $outfile
+$header
+EOF
+
+printf "$child_funcs\n" | while read func ; do
+	printf "$domchild_req_template\n" | sed -e s/XXX/$func/g >> $outfile
+done
+
+printf "$backend_funcs\n" | while read func ; do
+	printf "$backend_req_template\n" | sed -e "s|XXX|$func|g" >> $outfile
+done
+
+printf "$async_funcs\n" | while read func ; do
+	printf "$async_req_template\n" | sed -e s/XXX/$func/g >> $outfile
+done
+
+cat <<EOF >>$outfile
+$footer
+EOF
--- a/examples/systemtap/winbindd.stp
+++ b/examples/systemtap/winbindd.stp