diff options
author | Jason Yeh <jason.yeh@amd.com> | 2008-07-23 17:05:53 -0400 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 05:48:16 -0400 |
commit | 1a960b402a51d80abf54e3f8e4972374ffe5f22d (patch) | |
tree | 108222afe94df145e7a71f44bb077067c35f0131 /arch/x86/oprofile/op_model_p4.c | |
parent | 6852fd9b86d05063c6ef49d2e12e061cc7f6a105 (diff) |
Oprofile Multiplexing Patch
This patch introduces multiplexing support for the Oprofile kernel
module. It basically adds a new function pointer in oprofile_operator
allowing each architecture to supply its callback to switch between
different sets of event when the timer expires. Userspace tools can
modify the time slice through /dev/oprofile/time_slice.
It also modifies the number of counters exposed to the userspace through
/dev/oprofile. For example, the number of counters for AMD CPUs are
changed to 32 and multiplexed in the sets of 4.
Signed-off-by: Jason Yeh <jason.yeh@amd.com>
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/oprofile/op_model_p4.c')
-rw-r--r-- | arch/x86/oprofile/op_model_p4.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/oprofile/op_model_p4.c b/arch/x86/oprofile/op_model_p4.c index 56b4757a1f47..e641545d4796 100644 --- a/arch/x86/oprofile/op_model_p4.c +++ b/arch/x86/oprofile/op_model_p4.c | |||
@@ -701,6 +701,8 @@ static void p4_shutdown(struct op_msrs const * const msrs) | |||
701 | struct op_x86_model_spec const op_p4_ht2_spec = { | 701 | struct op_x86_model_spec const op_p4_ht2_spec = { |
702 | .num_counters = NUM_COUNTERS_HT2, | 702 | .num_counters = NUM_COUNTERS_HT2, |
703 | .num_controls = NUM_CONTROLS_HT2, | 703 | .num_controls = NUM_CONTROLS_HT2, |
704 | .num_hardware_counters = NUM_COUNTERS_HT2, | ||
705 | .num_hardware_controls = NUM_CONTROLS_HT2, | ||
704 | .fill_in_addresses = &p4_fill_in_addresses, | 706 | .fill_in_addresses = &p4_fill_in_addresses, |
705 | .setup_ctrs = &p4_setup_ctrs, | 707 | .setup_ctrs = &p4_setup_ctrs, |
706 | .check_ctrs = &p4_check_ctrs, | 708 | .check_ctrs = &p4_check_ctrs, |
@@ -713,6 +715,8 @@ struct op_x86_model_spec const op_p4_ht2_spec = { | |||
713 | struct op_x86_model_spec const op_p4_spec = { | 715 | struct op_x86_model_spec const op_p4_spec = { |
714 | .num_counters = NUM_COUNTERS_NON_HT, | 716 | .num_counters = NUM_COUNTERS_NON_HT, |
715 | .num_controls = NUM_CONTROLS_NON_HT, | 717 | .num_controls = NUM_CONTROLS_NON_HT, |
718 | .num_hardware_counters = NUM_COUNTERS_NON_HT, | ||
719 | .num_hardware_controls = NUM_CONTROLS_NON_HT, | ||
716 | .fill_in_addresses = &p4_fill_in_addresses, | 720 | .fill_in_addresses = &p4_fill_in_addresses, |
717 | .setup_ctrs = &p4_setup_ctrs, | 721 | .setup_ctrs = &p4_setup_ctrs, |
718 | .check_ctrs = &p4_check_ctrs, | 722 | .check_ctrs = &p4_check_ctrs, |