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Mister Spy

global in_id

global runtime_start
global runtime_end

global num_transactions
global time_in_transactions
global trans_start_time
global trans_end_time

global time_in_ldb
global ldb_start_time
global ldb_end_time

global num_ldap_searches
global time_in_ldap
global ldap_start_time
global ldap_end_time

global acct_req_types
global acct_req_times
global acct_req_rtime

global bts

function print_acct_req(req_type)
{
    str_req = acct_req_desc(req_type)
    printf("\tNumber of %s requests: %d\n", str_req, acct_req_types[req_type])
    printf("\tTime spent in %s requests: %d\n", str_req, acct_req_times[req_type])
    printf("\n")
}

function print_report()
{
    max_trans_time = 0
    max_trans_time_bt = ""

    total_time = runtime_end - runtime_start
    printf("Total run time of id was: %d ms\n", total_time)
    printf("Number of zero-level cache transactions: %d\n", num_transactions)
    printf("Time spent in level-0 sysdb transactions: %d ms\n", time_in_transactions)
    printf("Time spent writing to LDB: %d ms\n", time_in_ldb)
    printf("Number of LDAP searches: %d\n", num_ldap_searches)
    printf("Time spent waiting for LDAP: %d ms\n", time_in_ldap)

    printf("LDAP searches breakdown:\n")
    foreach (req_type in acct_req_types) {
        print_acct_req(req_type)
    }

    printf("Unaccounted time: %d ms\n",
           total_time - time_in_transactions - time_in_ldap)

    printf("sysdb transaction breakdown:\n")
    foreach ([b] in bts) {
        printf("%d hits of transaction %s\n", @count(bts[b]), b)
        printf("avg:%d   min: %d   max: %d   sum: %d\n\n",
               @avg(bts[b]), @min(bts[b]), @max(bts[b]), @sum(bts[b]))

        if (@max(bts[b]) > max_trans_time) {
            max_trans_time = @max(bts[b])
            max_trans_time_bt = b
        }
    }

    if (max_trans_time > 0) {
            printf("The most expensive transaction breakdown, per transaction:\n")
            print(@hist_linear(bts[max_trans_time_bt], 0, 500, 50))
    }
}

probe process("/usr/bin/id").begin
{
    in_id = 1

    num_transactions = 0
    time_in_transactions = 0

    num_ldap_searches = 0
    time_in_ldap = 0
    time_in_ldb = 0

    acct_req_types[0x0001] = 0
    acct_req_types[0x0002] = 0
    acct_req_types[0x0003] = 0

    acct_req_times[0x0001] = 0
    acct_req_times[0x0002] = 0
    acct_req_times[0x0003] = 0

    acct_req_rtime[0x0001] = 0
    acct_req_rtime[0x0002] = 0
    acct_req_rtime[0x0003] = 0

    runtime_start = gettimeofday_ms()
}

probe process("/usr/bin/id").end
{
    in_id = 0

    runtime_end = gettimeofday_ms()
    print_report()

    delete bts
}

probe sssd_transaction_start
{
    if (nesting == 0 && in_id == 1) {
        num_transactions++
        trans_start_time = gettimeofday_ms()
    }
}

probe sssd_transaction_commit_before
{
    if (nesting == 0 && in_id == 1) {
        ldb_start_time = gettimeofday_ms()
    }
}

probe sssd_transaction_commit_after
{
    if (nesting == 0 && in_id == 1) {
        ldb_end_time = gettimeofday_ms()
        time_in_ldb += (ldb_end_time-ldb_start_time)

        trans_end_time = gettimeofday_ms()
        time_in_transactions += (trans_end_time-trans_start_time)

        bt = sprint_ubacktrace()
        bts[bt] <<< (trans_end_time-trans_start_time)
    }
}

probe sdap_search_send
{
    if (in_id == 1) {
        num_ldap_searches++
        ldap_start_time = gettimeofday_ms()
    }
}

probe sdap_search_recv
{
    if (in_id == 1) {
        ldap_end_time = gettimeofday_ms()
        time_in_ldap += (ldap_end_time-ldap_start_time)
    }
}

probe sdap_acct_req_send
{
    if (in_id == 1) {
        acct_req_types[entry_type]++
        acct_req_rtime[entry_type] = gettimeofday_ms()
    }
}

probe sdap_acct_req_recv
{
    if (in_id == 1) {
        acct_req_times[entry_type] += (gettimeofday_ms() - acct_req_rtime[entry_type])
    }
}