diff options
Diffstat (limited to 'src/usr/trace')
| -rw-r--r-- | src/usr/trace/daemon/daemon.C | 14 | ||||
| -rw-r--r-- | src/usr/trace/debug.C | 30 | ||||
| -rw-r--r-- | src/usr/trace/debug.H | 53 | ||||
| -rw-r--r-- | src/usr/trace/makefile | 2 |
4 files changed, 97 insertions, 2 deletions
diff --git a/src/usr/trace/daemon/daemon.C b/src/usr/trace/daemon/daemon.C index 2a98f70b5..fd426933a 100644 --- a/src/usr/trace/daemon/daemon.C +++ b/src/usr/trace/daemon/daemon.C @@ -27,6 +27,7 @@ #include "../bufferpage.H" #include "../entry.H" #include "../compdesc.H" +#include "../debug.H" #include <initservice/taskargs.H> #include <initservice/initserviceif.H> @@ -308,6 +309,9 @@ namespace TRACEDAEMON void Daemon::sendContBuffer(void* i_buffer, size_t i_size) { + // Write debug structure with buffer information. + g_debugSettings.bufferSize = i_size; + g_debugSettings.bufferPage = i_buffer; // Write scratch register indicating continuous trace is available. writeScratchReg(1ull << 32); @@ -322,7 +326,14 @@ namespace TRACEDAEMON TARGETING::SpFunctions spFunctions = sys->getAttr<TARGETING::ATTR_SP_FUNCTIONS>(); - if (!spFunctions.traceContinuous) + // Determine if continuous trace is currently enabled. + bool contEnabled = spFunctions.traceContinuous; + if (g_debugSettings.contTraceOverride != 0) + { + contEnabled = (g_debugSettings.contTraceOverride == 2); + } + + if (!contEnabled) { // Trace isn't enabled so just discard the buffer. free(i_buffer); @@ -341,6 +352,7 @@ namespace TRACEDAEMON { task_yield(); } + free(i_buffer); } } } diff --git a/src/usr/trace/debug.C b/src/usr/trace/debug.C new file mode 100644 index 000000000..cc1856918 --- /dev/null +++ b/src/usr/trace/debug.C @@ -0,0 +1,30 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/trace/debug.C $ */ +/* */ +/* IBM CONFIDENTIAL */ +/* */ +/* COPYRIGHT International Business Machines Corp. 2012 */ +/* */ +/* p1 */ +/* */ +/* Object Code Only (OCO) source materials */ +/* Licensed Internal Code Source Materials */ +/* IBM HostBoot Licensed Internal Code */ +/* */ +/* The source code for this program is not published or otherwise */ +/* divested of its trade secrets, irrespective of what has been */ +/* deposited with the U.S. Copyright Office. */ +/* */ +/* Origin: 30 */ +/* */ +/* IBM_PROLOG_END_TAG */ +#include "debug.H" + +namespace TRACE +{ + + DebugSettings g_debugSettings = { 0, 0, NULL }; + +} diff --git a/src/usr/trace/debug.H b/src/usr/trace/debug.H new file mode 100644 index 000000000..c9a14f91e --- /dev/null +++ b/src/usr/trace/debug.H @@ -0,0 +1,53 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/usr/trace/debug.H $ */ +/* */ +/* IBM CONFIDENTIAL */ +/* */ +/* COPYRIGHT International Business Machines Corp. 2012 */ +/* */ +/* p1 */ +/* */ +/* Object Code Only (OCO) source materials */ +/* Licensed Internal Code Source Materials */ +/* IBM HostBoot Licensed Internal Code */ +/* */ +/* The source code for this program is not published or otherwise */ +/* divested of its trade secrets, irrespective of what has been */ +/* deposited with the U.S. Copyright Office. */ +/* */ +/* Origin: 30 */ +/* */ +/* IBM_PROLOG_END_TAG */ +#ifndef __TRACE_DEBUG_H +#define __TRACE_DEBUG_H + +#include <stdint.h> + +namespace TRACE +{ + /** @struct DebugSettings + * + * Settings and values used by the debug tools to interact with the + * trace component. + */ + struct DebugSettings + { + // Continuous Trace: + /** Override of attribute setting. + * 0 - Use attribute (default). + * 1 - Force Disable + * 2 - Force Enable + */ + uint8_t contTraceOverride; + /** Size of continuous trace buffer. */ + uint16_t bufferSize; + /** Pointer to continuous trace buffer. */ + void* bufferPage; + }; + + extern DebugSettings g_debugSettings; +} + +#endif diff --git a/src/usr/trace/makefile b/src/usr/trace/makefile index 38de606aa..c58a11a4f 100644 --- a/src/usr/trace/makefile +++ b/src/usr/trace/makefile @@ -24,7 +24,7 @@ ROOTPATH = ../../.. MODULE = trace OBJS = interface.o service.o compdesc.o buffer.o bufferpage.o daemonif.o \ - assert.o + debug.o assert.o SUBDIRS = daemon.d test.d |
