Messages in this thread | | | Date | Tue, 3 Dec 2013 23:39:21 -0500 | Subject | [PATCH 0/3] ARM Coresight: Enhance ETM tracing control | From | Adrien Vergé <> |
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Usage of ETM tracing facility is currently very limited: user can only start/stop tracing. This set of patches enables management of address combinations and PIDs that trigger tracing.
ETM management was done via sysfs entries (trace_info, trace_running...), this code adds trace_addrrange and trace_pid to let the user read/write custom values.
This series of patches apply to v3.13-rc2.
Signed-off-by: Adrien Vergé <adrienverge@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ben Dooks <ben.dooks@codethink.co.uk> Cc: Will Deacon <will.deacon@arm.com> Cc: Dietmar Eggemann <dietmar.eggemann@arm.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "zhangwei(Jovi)" <jovi.zhangwei@huawei.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Randy Dunlap <rdunlap@infradead.org> --- Adrien Vergé (3): ARM Coresight: Rename 'comparator' to 'address comparator' in ETM ARM Coresight: Add address control support for ETM tracing ARM Coresight: Add PID control support for ETM tracing
arch/arm/Kconfig.debug | 1 + arch/arm/include/asm/hardware/coresight.h | 7 +- arch/arm/kernel/etm.c | 139 ++++++++++++++++++++++++++---- 3 files changed, 129 insertions(+), 18 deletions(-)
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