> I'm using pmcstat to capture call graphs, however, these always seem > truncated to 8 stack frames. Anyone else hit this? Anyone know a fix > or workaround?
On FreeBSD 11.0-CURRENT Im seeing these: kern.features.hwpmc_hooks: 1 kern.hwpmc.softevents: 16 kern.hwpmc.callchaindepth: 16 kern.hwpmc.hashsize: 1024 kern.hwpmc.nsamples: 1024 kern.hwpmc.mtxpoolsize: 2048 kern.hwpmc.logbuffersize: 4 kern.hwpmc.nbuffers: 1024 and for example a trace ... 00.53% [48] strcmp @ /lib/libc.so.7 56.25% [27] 0x1c4e43 @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [27] g_object_get_valist @ /usr/local/lib/libgobject-2.0.so.0.3600.3 100.0% [27] g_object_get 70.37% [19] _gtk_tooltip_handle_event @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [19] gtk_main_do_event 100.0% [19] 0x662e1 @ /usr/local/lib/libgdk-x11-2.0.so.0.2400.22 100.0% [19] g_main_context_dispatch @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [19] 0x554e3 78.95% [15] g_main_loop_run 100.0% [15] gtk_main @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 21.05% [4] g_main_context_iteration @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [4] gtk_main_iteration @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [4] 0x2ea45 @ /usr/local/lib/libsylph-0.so.1.2.0 100.0% [4] 0x34786 100.0% [4] 0x33208 29.63% [8] 0x2371d8 @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [8] _gtk_tooltip_handle_event 100.0% [8] gtk_main_do_event 100.0% [8] 0x662e1 @ /usr/local/lib/libgdk-x11-2.0.so.0.2400.22 100.0% [8] g_main_context_dispatch @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [8] 0x554e3 87.50% [7] g_main_loop_run 100.0% [7] gtk_main @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 12.50% [1] g_main_context_iteration @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [1] gtk_main_iteration @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [1] 0x2ea45 @ /usr/local/lib/libsylph-0.so.1.2.0 100.0% [1] 0x34786 100.0% [1] 0x33208 18.75% [9] g_hash_table_lookup @ /usr/local/lib/libglib-2.0.so.0.3600.3 55.56% [5] 0x1d89b @ /usr/local/lib/libgobject-2.0.so.0.3600.3 100.0% [5] g_param_spec_pool_lookup 40.00% [2] g_object_get_valist 100.0% [2] g_object_get 50.00% [1] 0x23692f @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [1] _gtk_tooltip_handle_event 100.0% [1] gtk_main_do_event 100.0% [1] 0x662e1 @ /usr/local/lib/libgdk-x11-2.0.so.0.2400.22 100.0% [1] g_main_context_dispatch @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [1] 0x554e3 : 00.54% [49] acpi_cpu_c1 @ /boot/kernel/kernel 100.0% [49] acpi_cpu_idle 100.0% [49] cpu_idle_acpi 100.0% [49] cpu_idle 100.0% [49] sched_idletd 100.0% [49] fork_exit 00.53% [48] strcmp @ /lib/libc.so.7 56.25% [27] 0x1c4e43 @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [27] g_object_get_valist @ /usr/local/lib/libgobject-2.0.so.0.3600.3 100.0% [27] g_object_get 70.37% [19] _gtk_tooltip_handle_event @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [19] gtk_main_do_event 100.0% [19] 0x662e1 @ /usr/local/lib/libgdk-x11-2.0.so.0.2400.22 100.0% [19] g_main_context_dispatch @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [19] 0x554e3 78.95% [15] g_main_loop_run 100.0% [15] gtk_main @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 21.05% [4] g_main_context_iteration @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [4] gtk_main_iteration @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [4] 0x2ea45 @ /usr/local/lib/libsylph-0.so.1.2.0 100.0% [4] 0x34786 100.0% [4] 0x33208 29.63% [8] 0x2371d8 @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [8] _gtk_tooltip_handle_event 100.0% [8] gtk_main_do_event 100.0% [8] 0x662e1 @ /usr/local/lib/libgdk-x11-2.0.so.0.2400.22 100.0% [8] g_main_context_dispatch @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [8] 0x554e3 87.50% [7] g_main_loop_run 100.0% [7] gtk_main @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 12.50% [1] g_main_context_iteration @ /usr/local/lib/libglib-2.0.so.0.3600.3 100.0% [1] gtk_main_iteration @ /usr/local/lib/libgtk-x11-2.0.so.0.2400.22 100.0% [1] 0x2ea45 @ /usr/local/lib/libsylph-0.so.1.2.0 100.0% [1] 0x34786 100.0% [1] 0x33208 Full output here: http://www.systemdatarecorder.org/out.pmc -- Stefan Parvu <spa...@systemdatarecorder.org> _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "freebsd-performance-unsubscr...@freebsd.org"