#!/usr/bin/stap global traced_pid, command global reclaims, direct_reclaims, freed global reactivate, deactivate, pgout global t_reclaims, t_direct_reclaims, t_freed global t_reactivate, t_deactivate, t_pgout function log_event:long () { return (!traced_pid || traced_pid == pid()) } probe kernel.trace("mm_directreclaim_reclaimall") { if (!log_event()) next direct_reclaims[pid()] <<< 1 t_direct_reclaims <<< 1 } probe kernel.trace("mm_pagereclaim_shrinkinactive") { if (!log_event()) next reclaims[pid()] += $reclaimed t_reclaims += $reclaimed command[pid()] = execname() } probe kernel.trace("mm_pagereclaim_free") { if (!log_event()) next freed[pid()] <<< 1 t_freed <<< 1 } probe kernel.trace("mm_pagereclaim_pgout") { if (!log_event()) next pgout[pid()] <<< 1 t_pgout <<< 1 } probe kernel.trace("mm_pagereclaim_shrinkactive_a2a"), kernel.trace("mm_pagereclaim_shrinkinactive_i2a") { if (!log_event()) next reactivate[pid()] <<< 1 t_reactivate <<< 1 } probe kernel.trace("mm_pagereclaim_shrinkactive_a2i"), kernel.trace("mm_pagereclaim_shrinkinactive_i2i") { if (!log_event()) next deactivate[pid()] <<< 1 t_deactivate <<< 1 } probe begin { printf("Starting data collection\n") traced_pid = target() if (traced_pid) printf("mode Specific Pid, traced pid: %d\n\n", traced_pid) else printf("mode - All Pids\n\n") } probe end { printf("Terminating data collection\n") printf("%-16s %6s %8s %8s %8s %10s %8s %8s\n", "Command", "Pid", "Direct", "Activate", "Deactive", "Reclaims", "Pgout", "Freed") printf("%-16s %6s %8s %8s %8s %10s %8s %8s\n", "-------", "-----", "------", "--------", "--------", "-----", "-----", "-----") foreach (pid in reclaims-) printf("%-16s %6d %8d %8d %8d %10d %8d %8d\n", command[pid], pid, @count(direct_reclaims[pid]), @count(reactivate[pid]), @count(deactivate[pid]), reclaims[pid], @count(pgout[pid]), @count(freed[pid])) printf("\n") printf("%-23s %8d %8d %8d %10d %8d %8d\n", "Totals", @count(t_direct_reclaims), @count(t_reactivate), @count(t_deactivate), t_reclaims, @count(t_pgout), @count(t_freed)) }