)]}' { "log": [ { "commit": "c826e3cd0c931d60d548f2468122da570d145556", "tree": "fc5e89fd51bc81f66ac6d3a53349103a1cf2e264", "parents": [ "42af9054c0eeed09ec58d13ec8bf52d225ebcfcc" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Mar 23 16:14:13 2009 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Apr 03 12:23:09 2009 +0200" }, "message": "kmemtrace: small cleanups\n\nCc: Eduard - Gabriel Munteanu \u003ceduard.munteanu@linux360.ro\u003e\nLKML-Reference: \u003c161be9ca8a27b432c4a6ab79f47788c4521652ae.1237813499.git.eduard.munteanu@linux360.ro\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "42af9054c0eeed09ec58d13ec8bf52d225ebcfcc", "tree": "6ae45d50bc1fb2b663b57cb0499374b018d7e204", "parents": [ "da2635a9854423b4aa3a5f0e4e6efcc39ac99004" ], "author": { "name": "Eduard - Gabriel Munteanu", "email": "eduard.munteanu@linux360.ro", "time": "Mon Mar 23 15:12:26 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Apr 03 12:23:08 2009 +0200" }, "message": "kmemtrace: restore original tracing data binary format, improve ABI\n\nWhen kmemtrace was ported to ftrace, the marker strings were taken as\nan indication of how the traced data was being exposed to the userspace.\nHowever, the actual format had been binary, not text.\n\nThis restores the original binary format, while also adding an origin CPU\nfield (since ftrace doesn\u0027t expose the data per-CPU to userspace), and\nre-adding the timestamp field. It also drops arch-independent field\nsizing where it didn\u0027t make sense, so pointers won\u0027t always be 64 bits\nwide like they used to.\n\nSigned-off-by: Eduard - Gabriel Munteanu \u003ceduard.munteanu@linux360.ro\u003e\nLKML-Reference: \u003c161be9ca8a27b432c4a6ab79f47788c4521652ae.1237813499.git.eduard.munteanu@linux360.ro\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "da2635a9854423b4aa3a5f0e4e6efcc39ac99004", "tree": "f05c3e67053f39156ebb91b41b650bd7972abe8f", "parents": [ "ca2b84cb3c4a0d4d2143b46ec072cdff5d1b3b87" ], "author": { "name": "Eduard - Gabriel Munteanu", "email": "eduard.munteanu@linux360.ro", "time": "Mon Mar 23 15:12:25 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Apr 03 12:23:07 2009 +0200" }, "message": "kmemtrace: kmemtrace_alloc() must fill type_id\n\nImpact: fix trace output\n\nkmemtrace_alloc() was not filling type_id, which allowed garbage to make\nit into tracing data.\n\nSigned-off-by: Eduard - Gabriel Munteanu \u003ceduard.munteanu@linux360.ro\u003e\nLKML-Reference: \u003c284dba2732a144849d5aa82258fe0de2ad8dcb0b.1237813499.git.eduard.munteanu@linux360.ro\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "ca2b84cb3c4a0d4d2143b46ec072cdff5d1b3b87", "tree": "7163bac040f11c444b24cab53c4a784df73fa4f3", "parents": [ "ac44021fccd8f1f2b267b004f23a2e8d7ef05f7b" ], "author": { "name": "Eduard - Gabriel Munteanu", "email": "eduard.munteanu@linux360.ro", "time": "Mon Mar 23 15:12:24 2009 +0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Apr 03 12:23:06 2009 +0200" }, "message": "kmemtrace: use tracepoints\n\nkmemtrace now uses tracepoints instead of markers. We no longer need to\nuse format specifiers to pass arguments.\n\nSigned-off-by: Eduard - Gabriel Munteanu \u003ceduard.munteanu@linux360.ro\u003e\n[ folded: Use the new TP_PROTO and TP_ARGS to fix the build. ]\n[ folded: fix build when CONFIG_KMEMTRACE is disabled. ]\n[ folded: define tracepoints when CONFIG_TRACEPOINTS is enabled. ]\nSigned-off-by: Pekka Enberg \u003cpenberg@cs.helsinki.fi\u003e\nLKML-Reference: \u003cae61c0f37156db8ec8dc0d5778018edde60a92e3.1237813499.git.eduard.munteanu@linux360.ro\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "51a763dd84253bab1d0a1e68e11a7753d1b702ca", "tree": "2cc2cf0509db480391c585786285267e360c1338", "parents": [ "0a9877514c4fed10a70720293b37213dd172ee3e" ], "author": { "name": "Arnaldo Carvalho de Melo", "email": "acme@redhat.com", "time": "Thu Feb 05 16:14:13 2009 -0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Feb 06 01:01:41 2009 +0100" }, "message": "tracing: Introduce trace_buffer_{lock_reserve,unlock_commit}\n\nImpact: new API\n\nThese new functions do what previously was being open coded, reducing\nthe number of details ftrace plugin writers have to worry about.\n\nIt also standardizes the handling of stacktrace, userstacktrace and\nother trace options we may introduce in the future.\n\nWith this patch, for instance, the blk tracer (and some others already\nin the tree) can use the \"userstacktrace\" /d/tracing/trace_options\nfacility.\n\n$ codiff /tmp/vmlinux.before /tmp/vmlinux.after\nlinux-2.6-tip/kernel/trace/trace.c:\n trace_vprintk | -5\n trace_graph_return | -22\n trace_graph_entry | -26\n trace_function | -45\n __ftrace_trace_stack | -27\n ftrace_trace_userstack | -29\n tracing_sched_switch_trace | -66\n tracing_stop | +1\n trace_seq_to_user | -1\n ftrace_trace_special | -63\n ftrace_special | +1\n tracing_sched_wakeup_trace | -70\n tracing_reset_online_cpus | -1\n 13 functions changed, 2 bytes added, 355 bytes removed, diff: -353\n\nlinux-2.6-tip/block/blktrace.c:\n __blk_add_trace | -58\n 1 function changed, 58 bytes removed, diff: -58\n\nlinux-2.6-tip/kernel/trace/trace.c:\n trace_buffer_lock_reserve | +88\n trace_buffer_unlock_commit | +86\n 2 functions changed, 174 bytes added, diff: +174\n\n/tmp/vmlinux.after:\n 16 functions changed, 176 bytes added, 413 bytes removed, diff: -237\n\nSigned-off-by: Arnaldo Carvalho de Melo \u003cacme@redhat.com\u003e\nAcked-by: Frédéric Weisbecker \u003cfweisbec@gmail.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "0a9877514c4fed10a70720293b37213dd172ee3e", "tree": "7f21548126d448d96116f57f2c7927fa2b2c7ddd", "parents": [ "dac74940289f350c2590bec92737833bad608541" ], "author": { "name": "Arnaldo Carvalho de Melo", "email": "acme@redhat.com", "time": "Thu Feb 05 16:12:56 2009 -0200" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Feb 06 01:01:40 2009 +0100" }, "message": "ring_buffer: remove unused flags parameter\n\nImpact: API change, cleanup\n\n\u003eFrom ring_buffer_{lock_reserve,unlock_commit}.\n\n$ codiff /tmp/vmlinux.before /tmp/vmlinux.after\nlinux-2.6-tip/kernel/trace/trace.c:\n trace_vprintk | -14\n trace_graph_return | -14\n trace_graph_entry | -10\n trace_function | -8\n __ftrace_trace_stack | -8\n ftrace_trace_userstack | -8\n tracing_sched_switch_trace | -8\n ftrace_trace_special | -12\n tracing_sched_wakeup_trace | -8\n 9 functions changed, 90 bytes removed, diff: -90\n\nlinux-2.6-tip/block/blktrace.c:\n __blk_add_trace | -1\n 1 function changed, 1 bytes removed, diff: -1\n\n/tmp/vmlinux.after:\n 10 functions changed, 91 bytes removed, diff: -91\n\nSigned-off-by: Arnaldo Carvalho de Melo \u003cacme@redhat.com\u003e\nAcked-by: Frédéric Weisbecker \u003cfweisbec@gmail.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "ecf441b593ac41cb8cd8cd3695110167c42e098c", "tree": "2f724acde14fc2256a94f15b06d9fe625c453b3e", "parents": [ "cc2f6d90e950b69ad31d483c19cc1d121bb25c16" ], "author": { "name": "Randy Dunlap", "email": "randy.dunlap@oracle.com", "time": "Thu Jan 29 13:49:45 2009 -0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Jan 30 16:12:33 2009 +0100" }, "message": "kmemtrace: fix printk formats, fix\n\nGeert Uytterhoeven wrote:\n\n\u003e %4zu?\n\nReported-by: Geert Uytterhoeven \u003cgeert@linux-m68k.org\u003e\nSigned-off-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nAcked-by: Eduard - Gabriel Munteanu \u003ceduard.munteanu@linux360.ro\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "cc2f6d90e950b69ad31d483c19cc1d121bb25c16", "tree": "002de8aa52c3b1495a8b70278bd819779f827be6", "parents": [ "5ce1b1ed27d4ab1d81b8543a96f488bba2071576" ], "author": { "name": "Randy Dunlap", "email": "randy.dunlap@oracle.com", "time": "Fri Jan 23 13:03:37 2009 -0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Mon Jan 26 14:03:51 2009 +0100" }, "message": "kmemtrace: fix printk format warnings\n\nFix kmemtrace printk warnings:\n\n kernel/trace/kmemtrace.c:142: warning: format \u0027%4ld\u0027 expects type \u0027long int\u0027, but argument 3 has type \u0027size_t\u0027\n kernel/trace/kmemtrace.c:147: warning: format \u0027%4ld\u0027 expects type \u0027long int\u0027, but argument 3 has type \u0027size_t\u0027\n\nSigned-off-by: Randy Dunlap \u003crandy.dunlap@oracle.com\u003e\nAcked-by: Eduard - Gabriel Munteanu \u003ceduard.munteanu@linux360.ro\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "5e4abc9839191e213965e0f1dbf36e2e44356c3a", "tree": "f2dee1eed74ef80778dc098114092baf0229e2ac", "parents": [ "c37abc5515b5ed5b1d2134d2deaead492d9f92a2" ], "author": { "name": "Steven Rostedt", "email": "srostedt@redhat.com", "time": "Thu Jan 15 21:00:50 2009 -0500" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Fri Jan 16 12:17:38 2009 +0100" }, "message": "trace: clean up format errors in calls to trace_seq_printf\n\nAfter adding the printf format checking for trace_seq_printf, several\nwarnings now show up. This patch cleans them up.\n\nSigned-off-by: Steven Rostedt \u003csrostedt@redhat.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "3e80680208ba6ce9635ca7c21ad0019442ea166a", "tree": "8d7dc413a9ec611428ca1043b8748e6ec691e2aa", "parents": [ "3d7a96f5a485b7d06c2379f343d7312af89ec9e2" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Jan 06 10:16:35 2009 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Jan 06 10:16:35 2009 +0100" }, "message": "kmemtrace: add kmemtrace_init()\n\nImpact: build fix\n\nleftover from the relayfs version - but we want to keep it because\nthis call is the earliest opportunity when we can start kmemtrace\ntracing. (after kmem_cache_init()).\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "3fd4bc015ef879a7d2b955ce97fb125e3a51ba7e", "tree": "7c33ee197cd97b72a44c0991ff4abc4c36f3a45c", "parents": [ "b6ab4afee4ed56d0f69df59485585cff828c327d" ], "author": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Dec 30 12:07:27 2008 +0100" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Dec 30 16:06:00 2008 +0100" }, "message": "tracing/kmemtrace: export kmemtrace_mark_alloc_node() / kmemtrace_mark_free()\n\nImpact: build fix\n\nAlso fix up Kconfig dependencies and include files.\n\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" }, { "commit": "36994e58a48fb8f9651c7dc845a6de298aba5bfc", "tree": "fac4b8a1c30560e91460651487f3a57ef7f2b5cc", "parents": [ "7a51cffbd10886c0557677dd916c090097c691ef" ], "author": { "name": "Frederic Weisbecker", "email": "fweisbec@gmail.com", "time": "Mon Dec 29 13:42:23 2008 -0800" }, "committer": { "name": "Ingo Molnar", "email": "mingo@elte.hu", "time": "Tue Dec 30 09:36:13 2008 +0100" }, "message": "tracing/kmemtrace: normalize the raw tracer event to the unified tracing API\n\nImpact: new tracer plugin\n\nThis patch adapts kmemtrace raw events tracing to the unified tracing API.\n\nTo enable and use this tracer, just do the following:\n\n echo kmemtrace \u003e /debugfs/tracing/current_tracer\n cat /debugfs/tracing/trace\n\nYou will have the following output:\n\n # tracer: kmemtrace\n #\n #\n # ALLOC TYPE REQ GIVEN FLAGS POINTER NODE CALLER\n # FREE | | | | | | | |\n # |\n\ntype_id 1 call_site 18446744071565527833 ptr 18446612134395152256\ntype_id 0 call_site 18446744071565585597 ptr 18446612134405955584 bytes_req 4096 bytes_alloc 4096 gfp_flags 208 node -1\ntype_id 1 call_site 18446744071565585534 ptr 18446612134405955584\ntype_id 0 call_site 18446744071565585597 ptr 18446612134405955584 bytes_req 4096 bytes_alloc 4096 gfp_flags 208 node -1\ntype_id 0 call_site 18446744071565636711 ptr 18446612134345164672 bytes_req 240 bytes_alloc 240 gfp_flags 208 node -1\ntype_id 1 call_site 18446744071565585534 ptr 18446612134405955584\ntype_id 0 call_site 18446744071565585597 ptr 18446612134405955584 bytes_req 4096 bytes_alloc 4096 gfp_flags 208 node -1\ntype_id 0 call_site 18446744071565636711 ptr 18446612134345164912 bytes_req 240 bytes_alloc 240 gfp_flags 208 node -1\ntype_id 1 call_site 18446744071565585534 ptr 18446612134405955584\ntype_id 0 call_site 18446744071565585597 ptr 18446612134405955584 bytes_req 4096 bytes_alloc 4096 gfp_flags 208 node -1\ntype_id 0 call_site 18446744071565636711 ptr 18446612134345165152 bytes_req 240 bytes_alloc 240 gfp_flags 208 node -1\ntype_id 0 call_site 18446744071566144042 ptr 18446612134346191680 bytes_req 1304 bytes_alloc 1312 gfp_flags 208 node -1\ntype_id 1 call_site 18446744071565585534 ptr 18446612134405955584\ntype_id 0 call_site 18446744071565585597 ptr 18446612134405955584 bytes_req 4096 bytes_alloc 4096 gfp_flags 208 node -1\ntype_id 1 call_site 18446744071565585534 ptr 18446612134405955584\n\nThat was to stay backward compatible with the format output produced in\ninux/tracepoint.h.\n\nThis is the default ouput, but note that I tried something else.\n\nIf you change an option:\n\necho kmem_minimalistic \u003e /debugfs/trace_options\n\nand then cat /debugfs/trace, you will have the following output:\n\n # tracer: kmemtrace\n #\n #\n # ALLOC TYPE REQ GIVEN FLAGS POINTER NODE CALLER\n # FREE | | | | | | | |\n # |\n\n - C 0xffff88007c088780 file_free_rcu\n + K 4096 4096 000000d0 0xffff88007cad6000 -1 getname\n - C 0xffff88007cad6000 putname\n + K 4096 4096 000000d0 0xffff88007cad6000 -1 getname\n + K 240 240 000000d0 0xffff8800790dc780 -1 d_alloc\n - C 0xffff88007cad6000 putname\n + K 4096 4096 000000d0 0xffff88007cad6000 -1 getname\n + K 240 240 000000d0 0xffff8800790dc870 -1 d_alloc\n - C 0xffff88007cad6000 putname\n + K 4096 4096 000000d0 0xffff88007cad6000 -1 getname\n + K 240 240 000000d0 0xffff8800790dc960 -1 d_alloc\n + K 1304 1312 000000d0 0xffff8800791d7340 -1 reiserfs_alloc_inode\n - C 0xffff88007cad6000 putname\n + K 4096 4096 000000d0 0xffff88007cad6000 -1 getname\n - C 0xffff88007cad6000 putname\n + K 992 1000 000000d0 0xffff880079045b58 -1 alloc_inode\n + K 768 1024 000080d0 0xffff88007c096400 -1 alloc_pipe_info\n + K 240 240 000000d0 0xffff8800790dca50 -1 d_alloc\n + K 272 320 000080d0 0xffff88007c088780 -1 get_empty_filp\n + K 272 320 000080d0 0xffff88007c088000 -1 get_empty_filp\n\nYeah I shall confess kmem_minimalistic should be: kmem_alternative.\n\nWhatever, I find it more readable but this a personal opinion of course.\nWe can drop it if you want.\n\nOn the ALLOC/FREE column, + means an allocation and - a free.\n\nOn the type column, you have K \u003d kmalloc, C \u003d cache, P \u003d page\n\nI would like the flags to be GFP_* strings but that would not be easy to not\nbreak the column with strings....\n\nAbout the node...it seems to always be -1. I don\u0027t know why but that shouldn\u0027t\nbe difficult to find.\n\nI moved linux/tracepoint.h to trace/tracepoint.h as well. I think that would\nbe more easy to find the tracer headers if they are all in their common\ndirectory.\n\nSigned-off-by: Frederic Weisbecker \u003cfweisbec@gmail.com\u003e\nSigned-off-by: Ingo Molnar \u003cmingo@elte.hu\u003e\n" } ] }