lib: add more logging helpers

Add helpers for logging messages in libraries instead of calling
RTE_LOG() directly.
Those helpers take care of adding a \n: this will make the transition to
RTE_LOG_LI

lib: add more logging helpers

Add helpers for logging messages in libraries instead of calling
RTE_LOG() directly.
Those helpers take care of adding a \n: this will make the transition to
RTE_LOG_LINE trivial.

Note:
- for acl and sched libraries that still has some debug multilines
messages, a direct call to RTE_LOG is used: this will make it easier to
notice such special cases,

Signed-off-by: David Marchand <david.marchand@redhat.com>

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eal: use stdatomic API

Replace the use of gcc builtin __atomic_xxx intrinsics with corresponding
rte_atomic_xxx optional stdatomic API

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
A

eal: use stdatomic API

Replace the use of gcc builtin __atomic_xxx intrinsics with corresponding
rte_atomic_xxx optional stdatomic API

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: David Marchand <david.marchand@redhat.com>

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eal: rename thread name length definition

RTE_MAX_THREAD_NAME_LEN is including the NUL character,
so it should be named "size" instead of "length".
A new constant RTE_THREAD_NAME_SIZE is introduced

eal: rename thread name length definition

RTE_MAX_THREAD_NAME_LEN is including the NUL character,
so it should be named "size" instead of "length".
A new constant RTE_THREAD_NAME_SIZE is introduced for naming accuracy.
For API compatibility, the old name is kept.

At the same time, the original definition is moved
from rte_eal.h to rte_thread.h.

Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>

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eal/windows: fix thread creation

In rte_thread_create setting affinity after CreateThread may fail. Such
a failure is reported but strands the newly created thread in a
suspended state.

Resolve the

eal/windows: fix thread creation

In rte_thread_create setting affinity after CreateThread may fail. Such
a failure is reported but strands the newly created thread in a
suspended state.

Resolve the above issue by notifying the newly created thread that
it should terminate as soon as it is resumed, while still continuing to
free the ctx.

Fixes: ce6e911d20f6 ("eal: add thread lifetime API")
Cc: stable@dpdk.org

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Reviewed-by: David Marchand <david.marchand@redhat.com>

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eal: add platform agnostic thread set name API

Add a rte_thread_set_name that sets the name of an rte_thread_t thread.
This is a replacement for the rte_thread_setname(pthread_t, ...) which
exposes

eal: add platform agnostic thread set name API

Add a rte_thread_set_name that sets the name of an rte_thread_t thread.
This is a replacement for the rte_thread_setname(pthread_t, ...) which
exposes platform-specific details.

Introduces Windows implementation for rte_thread_set_name not previously
available on Windows.

Adapt drivers/mlx5 to use the new internal rte_thread_set_name API
instead of the soon to be deprecated rte_thread_setname API.

Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>

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eal: add thread comparison helper

Add rte_thread_equal() that tests if two rte_thread_id are equal.

Signed-off-by: Narcisa Vasile <navasile@linux.microsoft.com>
Signed-off-by: Tyler Retzlaff <roret

eal: add thread comparison helper

Add rte_thread_equal() that tests if two rte_thread_id are equal.

Signed-off-by: Narcisa Vasile <navasile@linux.microsoft.com>
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Chengwen Feng <fengchengwen@huawei.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>

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eal: add thread lifetime API

The *rte_thread_create()* function can optionally receive an
rte_thread_attr_t object that will cause the thread to be created with
the affinity and priority described b

eal: add thread lifetime API

The *rte_thread_create()* function can optionally receive an
rte_thread_attr_t object that will cause the thread to be created with
the affinity and priority described by the attributes object. If
no rte_thread_attr_t is passed (parameter is NULL), the default
affinity and priority are used.

On Windows, the function executed by a thread when the thread starts is
represented by a function pointer of type DWORD (*func) (void*).
On other platforms, the function pointer is a void* (*func) (void*).

Performing a cast between these two types of function pointers to
uniformize the API on all platforms may result in undefined behavior.
To fix this issue, a wrapper that respects the signature required by
CreateThread() has been created on Windows.

Signed-off-by: Narcisa Vasile <navasile@linux.microsoft.com>
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>

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eal: remove unneeded includes from a public header

Do not include <ctype.h>, <errno.h>, and <stdlib.h> from <rte_common.h>,
because they are not used by this file.
Include the needed headers directl

eal: remove unneeded includes from a public header

Do not include <ctype.h>, <errno.h>, and <stdlib.h> from <rte_common.h>,
because they are not used by this file.
Include the needed headers directly from the files that need them.

Signed-off-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>

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eal: get/set thread priority per thread identifier

Add functions for setting and getting the priority of a thread.
Priorities on multiple platforms are similarly determined by a priority
value and a

eal: get/set thread priority per thread identifier

Add functions for setting and getting the priority of a thread.
Priorities on multiple platforms are similarly determined by a priority
value and a priority class/policy.

Currently in DPDK most threads operate at the OS-default priority level
but there are cases when increasing the priority is useful. For
example, high performance applications may require elevated priority
levels.

For these reasons, EAL will expose two priority levels which are named
suggestively "normal" and "realtime_critical" and are computed as
follows:

On Linux, the following mapping is created:
RTE_THREAD_PRIORITY_NORMAL corresponds to
* policy SCHED_OTHER
* priority value: (sched_get_priority_min(SCHED_OTHER) +
sched_get_priority_max(SCHED_OTHER))/2;
RTE_THREAD_PRIORITY_REALTIME_CRITICAL corresponds to
* policy SCHED_RR
* priority value: sched_get_priority_max(SCHED_RR);

On Windows, the following mapping is created:
RTE_THREAD_PRIORITY_NORMAL corresponds to
* class NORMAL_PRIORITY_CLASS
* priority THREAD_PRIORITY_NORMAL
RTE_THREAD_PRIORITY_REALTIME_CRITICAL corresponds to
* class REALTIME_PRIORITY_CLASS (when running with privileges)
* class HIGH_PRIORITY_CLASS (when running without privileges)
* priority THREAD_PRIORITY_TIME_CRITICAL

Note that on Linux the resulting priority value will be 0, in
accordance to the documentation that mention the value should be 0 for
SCHED_OTHER policy.

Signed-off-by: Narcisa Vasile <navasile@linux.microsoft.com>
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>

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eal: get/set thread affinity per thread identifier

Implement functions for getting/setting thread affinity.
Threads can be pinned to specific cores by setting their
affinity attribute.

Windows erro

eal: get/set thread affinity per thread identifier

Implement functions for getting/setting thread affinity.
Threads can be pinned to specific cores by setting their
affinity attribute.

Windows error codes are translated to errno-style error codes.
The possible return values are chosen so that we have as
much semantic compatibility between platforms as possible.

note: convert_cpuset_to_affinity has a limitation that all cpus of
the set belong to the same processor group.

Signed-off-by: Narcisa Vasile <navasile@linux.microsoft.com>
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>

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eal: provide current thread identifier

Provide a portable type-safe thread identifier.
Provide rte_thread_self for obtaining current thread identifier.

Signed-off-by: Narcisa Vasile <navasile@linux

eal: provide current thread identifier

Provide a portable type-safe thread identifier.
Provide rte_thread_self for obtaining current thread identifier.

Signed-off-by: Narcisa Vasile <navasile@linux.microsoft.com>
Signed-off-by: Tyler Retzlaff <roretzla@linux.microsoft.com>
Acked-by: Dmitry Kozlyuk <dmitry.kozliuk@gmail.com>
Acked-by: Konstantin Ananyev <konstantin.v.ananyev@yandex.ru>

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lib: remove librte_ prefix from directory names

There is no reason for the DPDK libraries to all have 'librte_' prefix on
the directory names. This prefix makes the directory names longer and also
m

lib: remove librte_ prefix from directory names

There is no reason for the DPDK libraries to all have 'librte_' prefix on
the directory names. This prefix makes the directory names longer and also
makes it awkward to add features referring to individual libraries in the
build - should the lib names be specified with or without the prefix.
Therefore, we can just remove the library prefix and use the library's
unique name as the directory name, i.e. 'eal' rather than 'librte_eal'

Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>

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