JFIF$        dd7 

Viewing File: /usr/share/sssd/systemtap/ldap_perf.stp

/* Start Run with:
 *
 *   stap ldap_perf.stp
 *
 * Then reproduce slow operation in another terminal.
 * Ctrl-C running stap once login completes.
 *
 * This script watches all sssd_be processes. This can be limited by
 * specifying sssd_be process id
 *
 *   stap -G sssd_be_pid=1234 ldap_perf.stp
 *
 * Probe tapsets are in /usr/share/systemtap/tapset/sssd.stp
 */

global start_time;
global sdap_attributes;
global query_attributes;
global sssd_be_pid=0;

global slowest_request_time;
global slowest_request_filter;
global slowest_request_scope;
global slowest_request_base;
global slowest_request_attrs;

probe begin
{
    printf("===== ldap queries probe started =====\n");
    id = pid();
    start_time[id] = gettimeofday_us();
    query_attributes[id] = "";
    slowest_request_time = 0;
    slowest_request_filter = "";
    slowest_request_scope = 0;
    slowest_request_base = "";
    slowest_request_attrs = "";
}

probe sdap_parse_entry
{
    id = pid();
    if (sssd_be_pid == 0 || sssd_be_pid == id) {
        idx = 0;
        while ([id, attr, idx] in sdap_attributes) {
            idx++;
        }
        sdap_attributes[id, attr, idx] = value;
    }
}

probe sdap_parse_entry_done
{
    id = pid();
    if (sssd_be_pid == 0 || sssd_be_pid == id) {
        dn = sdap_attributes[id, "OriginalDN", 0];
        printf("[%d] <- dn: %s\n", id, dn);
        delete sdap_attributes[id, "OriginalDN", *];
        foreach ([x, attr, idx] in sdap_attributes[id,*,*]) {
            printf("[%d] <- %s: %s\n", id, attr, sdap_attributes[x, attr, idx]);
        }
        delete sdap_attributes[id, *, *];
    }
}

probe sdap_search_send
{
    id = pid();
    if (sssd_be_pid == 0 || sssd_be_pid == id) {
	    printf("[%d] -> ldap request: basedn '%s', scope %d, filter '%s'\n",
               id, base, scope, filter);
        printf("[%d] -> attrs: %s\n", id, attrs);
        query_attributes[id] = attrs;
        start_time[id] = gettimeofday_ms();
        delete sdap_attributes[id, *, *];
	}
}


probe sdap_search_recv
{
    id = pid();
    if (sssd_be_pid == 0 || sssd_be_pid == id) {
        delta = gettimeofday_ms() - start_time[id];
	    printf("[%d] ldap response to request: basedn '%s', scope %d, filter '%s'\n",
               id, base, scope, filter);
        printf("[%d] took: %d ms\n", id, delta);
        printf("[%d]--------------------------------------------------\n", id);

        if (slowest_request_time < delta) {
            slowest_request_time = delta;
            slowest_request_base = base;
            slowest_request_scope = scope;
            slowest_request_filter = filter;
            slowest_request_attrs = query_attributes[id];
        }
    }
}

probe process("/usr/libexec/sssd/sssd_be").end
{
    printf("done\n");
}

probe end
{
    printf("\n===== slowest ldap request =====\n");
    printf("base: '%s'\nscope: %d\nfilter: '%s'\nattrs: %s\ntook: %d ms\n",
           slowest_request_base,
           slowest_request_scope,
           slowest_request_filter,
           slowest_request_attrs,
           slowest_request_time);
}
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg