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* changes:
New PROX commit ID and bug fix
code review comments and PROX commit ID
Code review feedback & back-ground traffic support
Fix run_iteration when not using the sut_sock
Specify latency bucket size & correct calculation
Initial support for percentile latency measurements
Combine code for fixed rate and variable rate tests
Better Latency accuray warning message
Support for ETSI GS NFV-TST 009
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Updated deploycentos.sh with latest PROX commit ID and took another code
review comment into account.
Change-Id: Iedfa695be7496459d990f36e2dc00c8890b19fb3
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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Implemented the code review comments I got on previous commits and using
commit ID 2cd03b7 to select the PROX version that will be installed in
the VMs through deploycentostools.sh
Change-Id: Ifc4c18c657a8bd57c68a7fc9d885c75ffdcb7b5d
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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Change-Id: I04e0bdc6679a74a8ace26eb30d6f8d2857d6c1c7
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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When PROX detects an error condition at startup, it calls PROX_PANIC
which prints an message before calling rte_panic to end the application.
If ncurses was already started, this results in the message being printed
in ncurses (and prox.log) then leaving ncurses; hence the message is usually
not visible to the user (until it open prox.log), giving the impression of an
unexpected crash.
With this fix, the error message is repeated after closing ncurses, hence the message
will be printed on stdout.
Note that it might also be printed twice on stdout if ncurses was not already started.
As part of this fix, prox.log is now properly closed.
Change-Id: If41875843f1a39bc715f4264b3992c3fa018394e
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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lat all stats <core_id> <task_id> combines "lat stats" and "lat packets" within one command.
This command returns:
- One line in case the core_task parser fails. In that case the line will start with: "error: invalid syntax"
- One set of lines for each core task:
- if core/task is invalid, or not running lat mode, the line will contain (start with) "error...". this will be the only line for that core/task.
- Otherwise the set of lines will be:
- One line as returned by "lat stats". This line will be
- One line starting with "error" in case of error, or
- One line containing lat_min_usec, lat_max_usec, lat_avg_usec, tot_lat_min_usec, tot_lat_max_usec, last_tsc, rte_get_tsc_hz(), lcore_id, task_id
- The return from lat packets i.e.
- One line starting with "error" in case of error, or
- 128 lines - one for each bucket - as returned by "lat packets" command
This command is more useful then lat packets, as it contains the tsc - needed to see whether the sample is new or not.
Change-Id: I04231aa7c5bd2d352ed6f94d40e88d3b411ce744
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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- Latency Distribution (i.e. histograms) has been added when latency is enabled.
- Histograms are now compiled by default.
- A bug has also been fixed, which was causing strange behavior in the histograms
(due to bucket size being overwritten).
- The default bucket size has been changed to "11" which means that the size of each bucket
is now (1 cycle << 11) = 2048 cycles = 1 microsecond at 2GHz. It was (1 << (10 - 1)).
As there are 128 latency buckets, it is not possible to show all of them on the display.
Hence the latency buckets are displayed based on on the assumption that the minimum latency is usually relatively
stable and that the maximum latency change more often.
- The first empty buckets are not shown (i.e. buckets empty for all tasks)
- If more than 15 buckets are non empty, then the buckets are combined, so that a maximum of
15 (bigger) buckets are shown
- If less than 15 buckets are non empty, the following (empty) buckets are shown
(this avoid seeing every x seconds some columns being added and removed).
Change-Id: I27fe6ac0e513a5558e42ff2e74255c55ba79516d
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I090bf8f1cd5a5d2dfa4f336bc66c46cc03d6c5bb
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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This commit prepares PROX for supporting changes from DPDK 19.08
Mainly, the "sed" listed below were run.
In addition,
- some forward definition have been removed,
- prox_compat.h has been updated
- prox_compat.h has been included where necessary.
Hence such a commit is rather easy to review and to reapply
on other branches if necessary.
sed -i 's/struct ether_hdr/prox_rte_ether_hdr/g' *.h
sed -i 's/struct ether_hdr/prox_rte_ether_hdr/g' *.c
sed -i 's/struct ether_addr/prox_rte_ether_addr/g' *.c
sed -i 's/struct ether_addr/prox_rte_ether_addr/g' *.h
sed -i 's/prox_rte_ether_addr_port/struct ether_addr_port/g' *.c
sed -i 's/prox_rte_ether_addr_port/struct ether_addr_port/g' *.h
sed -i 's/struct vlan_hdr/prox_rte_vlan_hdr/g' *.c
sed -i 's/struct vlan_hdr/prox_rte_vlan_hdr/g' *.h
sed -i 's/struct ipv4_hdr/prox_rte_ipv4_hdr/g' *.h
sed -i 's/struct ipv4_hdr/prox_rte_ipv4_hdr/g' *.c
sed -i 's/struct ipv6_hdr/prox_rte_ipv6_hdr/g' *.c
sed -i 's/struct ipv6_hdr/prox_rte_ipv6_hdr/g' *.h
sed -i 's/struct udp_hdr/prox_rte_udp_hdr/g' *.c
sed -i 's/struct udp_hdr/prox_rte_udp_hdr/g' *.h
sed -i 's/struct tcp_hdr/prox_rte_tcp_hdr/g' *.c
sed -i 's/struct tcp_hdr/prox_rte_tcp_hdr/g' *.h
sed -i 's/struct prox_rte_ether_addr_copy/ether_addr_copy/g' *.c
sed -i 's/struct prox_rte_ether_addr_copy/ether_addr_copy/g' *.h
sed -i 's/struct prox_rte_ether_addr_copy/prox_rte_ether_addr_copy/g' *.c
sed -i 's/struct prox_rte_ether_addr_copy/ether_addr_copy/g' *.h
sed -i 's/prox_rte_ether_addr_copy/ether_addr_copy/g' *.h
sed -i 's/prox_rte_ether_addr_copy/ether_addr_copy/g' *.c
sed -i 's/ether_addr_copy/prox_rte_ether_addr_copy/g' *.c
sed -i 's/ether_addr_copy/prox_rte_ether_addr_copy/g' *.h
sed -i 's/prox_rte_ether_hdr_arp/struct ether_hdr_arp/g' *.h
sed -i 's/prox_rte_ether_hdr_arp/struct ether_hdr_arp/g' *.c
sed -i 's/struct vxlan_gpe_hdr/prox_rte_vxlan_gpe_hdr/g' *.h
sed -i 's/struct vxlan_gpe_hdr/prox_rte_vxlan_gpe_hdr/g' *.c
sed -i 's/eth_random_addr/prox_rte_eth_random_addr/g' *.c
sed -i 's/eth_random_addr/prox_rte_eth_random_addr/g' *.h
sed -i 's/ETHER_CRC_LEN/PROX_RTE_ETHER_CRC_LEN/g' *.c
sed -i 's/ETHER_CRC_LEN/PROX_RTE_ETHER_CRC_LEN/g' *.h
sed -i 's/ETHER_HDR_LEN/PROX_RTE_ETHER_HDR_LEN/g' *.c
sed -i 's/ETHER_HDR_LEN/PROX_RTE_ETHER_HDR_LEN/g' *.h
sed -i 's/ETHER_MAX_LEN/PROX_RTE_ETHER_MAX_LEN/g' *.c
sed -i 's/ETHER_MAX_LEN/PROX_RTE_ETHER_MAX_LEN/g' *.h
sed -i 's/ETHER_MIN_LEN/PROX_RTE_ETHER_MIN_LEN/g' *.c
sed -i 's/ETHER_MIN_LEN/PROX_RTE_ETHER_MIN_LEN/g' *.h
sed -i 's/TCP_SYN_FLAG/PROX_RTE_TCP_SYN_FLAG/g' *.c
sed -i 's/TCP_RST_FLAG/PROX_RTE_TCP_RST_FLAG/g' *.c
sed -i 's/TCP_FIN_FLAG/PROX_RTE_TCP_FIN_FLAG/g' *.c
sed -i 's/TCP_ACK_FLAG/PROX_RTE_TCP_ACK_FLAG/g' *.c
Change-Id: I4dfe8be68e618c94dcaae28754579fbeb571bb00
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Various code review comments taken into account. We also support now
background traffic, meaning the scripts will start a test between
machines and monitor packet loss, latency, etc., but at the same time,
the script will also start traffic on background machines. That traffic
will not be monitored. Each generator will generate the same ammoung of
traffic.
Change-Id: I5cd495be230a526f91de965f3d4dd0581681f5ca
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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When no sut_sock monitoring the swap, the while loop would never come to
an end. Also added heartbeat timeout in the generator config files.
Change-Id: I3c36991c65b9b826faf3d051a1354ca7eb34c24e
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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A new parameter bucket_size_exp in the *.test file specifies the bucket
size for latency measurement. The default is 11 which corresponds to a
bucket size of 1 usec for a 2GHz processor. This fix is also calculating
the bucket size based on the reported frequency. Before it was assuming
a 2GHz processor.
Change-Id: I70d15e90e151a7e474cd05c9ac91b71a11fd5c78
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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We are now reporting a percentile number for the round-trip latency. The
numbers are only correct for processors running at 2GHz. Will fix this
next so it runs for any freqency. We only report 1-127 usec. If the
latency goes higher, we are now reporting "VERY HIGH".
Change-Id: If9fda63cea8616febcc0f24dc52590976cf39f3d
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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Previously, there were 2 functions: run_flow_size_test and
run_fixed_rate. The functionality of run_fixed_rate is now added to
run_flow_size_test.
Change-Id: Ifda70b8088b9131cc6c034d8007825e6d0917682
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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The lacency accuracy warning is now given only taking into account
packets that were not dropped. Also fixed an error with the value of r
in the run_iteration function
Change-Id: Ic05fd2e4b8c59a4b7bcc131e981c08e0001436a6
Signed-off-by: Luc Provoos <luc.provoost@intel.com>
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New test added TST009_Throughput.test allowing to run the throughput
benchmark as defined in ETSI GS NFV-TST 009. This change adds the binary
search algorithm as defined in the specification document.
Change-Id: I00e81a811a9c42b06136694fc1387bc59e954a28
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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Removed the remaining UUIDs from the centos.json file, making it easier
to reuse this file. This does require a recent version of the packer
tool. Updated the README accordingly and also added the --env option in
the packer alias, so that the OS_CLOUD variable is set when running
packer in the container. Updated rapid.vms with the security group name
used in the centos.json file.
Change-Id: I4f6815a3250811e336c14857e0ec5e7793a77acf
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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Fixing an error re-introduced in the swap.cfg file. The mempool size
needs to be bigger than the number of rx and tx descriptors (we need
some extra buffers in the mempool for other things than rx and tx
descriptors). The default number of tx and rx descriptors has been
changed in PROX to 2K. This initially went through the testing since
this is just giving a warning in the prox.log file for some PMDs. For
other PMDs, PROX will not start.
Also fixed an inconsistency in rapid.vms: name of the security group.
Change-Id: If95677bd6169a16da1b3b2a56d13936a854c385e
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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-Renamed monitorswap.test into corestats.test. This is a more generic
test case that can monitor the core statistics of all PROX instances
-New portstats.test which can monitor the port statistics of all PROX
instances
-Removed the tasks parameter in the [DEFAULT] section of the *.test
files. Runrapid.py is now scaning the PROX configuration files to
automatically detect the PROX tasks that are being used.
-There is now an option to add the PushGateway parameter in the
[Default] section of some *.test files. This will push the measurements
to the Gateway, so they can be used by tools like Grafana. The logging
of the data in a csv file has also been improved. Results can now be
found on the screen, in the RUN*.log files, in the *.csv files and are
being pushed to the PushGateway.
-In the *.test files, replaced the swapcores, irqcores and impaircores
by the cores parameter since they are not treated differently by the
code. For a generator, we are still using the gencores and latcores
parameters since we need to treat them differently in runrapid.py
-devbind.sh is removed from the repository since this file is now
created by runrapid.py
-renamed the rapidVMs.vms file into rapid.vms
-image is now built without ssh access for root. Only using centos user.
runrapid.py is now using centos user for ssh sessions. PROX tools are
strted using sudo
-using new DPDK, mb_lib and PROX versions as defined in
deploycentostools.sh
-installing missing yum-utils package in image
-added flowsize parameter to the impairtest
-added list of flowsizes to the fixed_rate testing (l3framerate.test)
-the irqtest can now loop through multiple Test Machines in stead of
only checking the irq of one. Note that we should have the same cores
parameter for all Test machines
-changes in prox_ctrl.py to support setting the speed of a generator on
a combination of mulitple cores and tasks. Also added the
multi_port_stats function to support the new portstats.test
-Updated version to 19.11.21
-Fixed some power of 2 in the flow table
Change-Id: Ia14543bf3195a2b1bd4184b455da6940f1777fc9
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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Change-Id: Ieff72073fff06818a5c5bc8fb9116461c95c2901
Signed-off-by: Illia Polliul <ipolliul@juniper.net>
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Note that since 6073b359 (April 2018) IPsec PROX support requires
at least DPDK 17.11. Hence README has been updated.
Change-Id: I34b7a968c16db5c3a3fc7bb6af111fdb49ad6b91
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: Ic452b22dc2522a1b49e3091cb25f2784bc505b41
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I7ae7d9f2f5f3058df032062e0b2f6e3207086930
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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When support for DPDK 18.05 was added it prevented supporting some
much older DPDK such as 16.04. This has been fixed.
Change-Id: Idd7ddd7e485c54c41def0540b8c126c097a05941
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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A high number of RX descriptor can be helpful in avoiding
packet loss due to the core being interrupted.
This commit increases the default number of descriptors from 256 to 2K.
Those values are checked versus the minimum and maximum supported by the pmd.
Number of mbufs (mempool size) have been updated n config files to support this
default number of dsescriptors.
The number of descriptors can still be overwritten by the config file. However
those values must always remain within the limits reported by the pmd.
Change-Id: I5f7999eca886dad68f3c0733da0d796bf4c06a56
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Some OVS versions reports that they support UDP offload and no IPv4 offload,
but fails when UDP offload is enabled.
Hence, now, when virtio reports that it supports UDP checksum and no IPV4
checksum offload, we disable UDP checksum offload.
Change-Id: I4f22f6be4d97b0aedf267ebeaa498c0dacef3317
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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- When using "pcap file" argument in PROX config file in the gen mode
(and no submode), packets were truncated to 8 bytes (and a warning printed)
This has been fixed.
- "Set value" command was checking whether offset was within first 1518 bytes
unrespective to the mtu (e.g. jumbo packets). This has been fixed.
- There was a limit of 64K packets loaded from a pcap file (which could be
overwritten through PROX config). This limit has been removed - by default
all packets from pcap are loaded
- When pcap was loaded, memory was allocated to store the packet. However
just enough memory was allocated, so that there was no way to change (increase)
packet size through command line after that. Now memory is allocated to store
up to mtu size
- While "set value" command was acting on all packets, "pkt size" command
was only changing the first packet. This has now been changed and both commands
change all the packets.
- A few other minor cleanups.
Change-Id: I7264cee8d57e3e6a405dfd7e7a52a95b99399d99
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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When CRC stripping is enabled (default PROX behavior), the number of
rx bytes received by the NIC returned by DPDK usually does not take the
CRC 4 bytes into account.
However, for i40e virtual functions those 4 bytes are counted as part of
the received bytes. This resulted in both DPDK and PROX taking those 4 bytes
into account causing the RX % to be above 100%.
Change-Id: I59883b638ed67a6778f80c4dd6bfbfc4f9f2f528
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I7c3e2981692d823c86787b77d61190327d6448e4
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Change-Id: I833d753bd5c426d50c0c9fdee5668f3b9fff13b9
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Multicast can be enabled through configuration or through command line
- Through configuration
Add multicast=mcast_address (e.g. multicast=01:00:5e:01:02:03) in the port
section
- Through command line
run enable multicast port_id mcast_address (e.g. enable multicast 1 01:00:5e:01:02:03)
IGMP join message is sent unsollicited through command line:
join igmp core_id task_id ip (e.g. join igmp 1 0 224.1.1.3)
To enable swap answering IGMP Query (w/ IGMP Join)
- Through configuration
Add igmp ipv4=ip_address within the core/task section
- Through command line
join igmp core_id task_id ip (e.g. join igmp 1 0 224.1.1.3)
(this will 1st initiate an unsollicated join, then answer any subsequent query)
UDP/TCP packets received on a multicast address (224.0.0.0 => 239.255.255.255) are discarded
To stop sending responses to IGMP query:
leave igmp core_id task_id
Change-Id: I3808ccabf3b38b5a1e10e1b044db63aa05bcd7b5
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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This includes supporting following API changes
- RTE_VER_... now in rte_config.h instead of rte_version.h
- <rte_ethdev.h> now seems required by <rte_eth_ctrl.h>
- rte_sched_port_pkt_write takes extra argument
- rte_sched_port_pkt_read_tree_path takes extra argument
- enum rte_meter_color replaced by rte_color
The extra argument, sched_port, is initialized based on qos_conf parameters.
Modes such as qinq_encap4 uses sched_port when doing classification, but does
not set qos_conf params. It inherits the sched_port from QoS
Change-Id: If8312918241e7d482161a7538f53faac6c303e86
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Some wrong parameters in start (such as "start all 4" while there are only
less than 4 tasks available on some cores) and stop command could
have potentially caused a crash in some cases.
Change-Id: I6dc201575b574c53ded242ea795c35de82fb787e
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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fb0c44a fixed compilation on GCC 8 by using:
1) #pragma GCC diagnostic ignored "-Wstringop-truncation"
2) __attribute__ ((fallthrough));
However, -Wstringop-truncation has only been introduced in GCC 8 and
__attribute__ ((fallthrough)) has only been introduced in GCC 7.
Hence they caused Warnings/Errors on earlier versions.
Comments about fallthough (see https://developers.redhat.com/blog/2017/03/10/wimplicit-fallthrough-in-gcc-7/)
can be used on GCC 8 to prevent fall through warnings
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
Change-Id: I6f22e023191bbf22d8b01f1812061795a6494134
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MAC address can be configured through the [port] section.
However this had only some effect on packets being transmitted.
For instance it was used to set the src mac address by the generator.
It had no effect on packets reception: when not in promiscuous mode
only the packets with the MAC originally set by the HW were received.
Now, when not in promiscuous mode, only packets with MAC as defined
in [port] section will be received.
Change-Id: I064817bf6727d098e89fbbb7a90412ed599f0fb6
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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rx_queue_stats_mapping and tx_queue_stats_mapping were called
unrespective of the number of active queues, and failing
on all unactive queues. this caused lot of errros in prox.log
Change-Id: I15ecb7adfb562caff8efb0eb24c341a3ba354571
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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On recent OSes such as RHEL 8.0, ncurses(6.1) introduced support
for ECMA-48 repeat character control.
Some terminal emulators use TERM=xterm but do not support this feature.
In this case, printing repeated character such as "22000000 Hz" might
be displayed as 220 Hz.
Other emulators, such as tmux, use TERM=screen, and do not exhibit the issue.
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
Change-Id: I79977c7421699b59957d6cbd8aa954f06f3e0227
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This is required for instance on gcc (GCC) 8.2.1 20180905
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
Change-Id: Id86de5d39d77c5cbf168cc51434f436f84376a4c
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"heartbeat timeout" (in second) can be specified as a global parameter
in PROX config file. If set, a timer is started when the first
command is received from the TCP socket. This timer is reset at each
commands received through the TCP socket. If the timer expires, then
- all cores are stopped
- the TCP socket is closed, causing an error at client side.
This feature helps in case a script starts PROX and the traffic generated
through PROX causes issues to the control plane.
Change-Id: I900f22fa091786a564f6b7d846f5abc2c5cbcc58
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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scheduler priority"
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Add warning if gateway_ip is configured and l3 is not configured.
If l3 sub mode is not configured, then gateway_ip parameter is ignored
(an error is not returned to make it easy to switch from an l3 sub
mode to default submode).
Change-Id: Ica4a522b037a024dd54bf616d32d69e29d5b8b92
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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priority
Set "realtime scheduling=yes" option to change Linux scheduler policy
to SCHED_RR and increase the priority to the maximum possible for the policy.
Change-Id: I3ecef5cbc3816cf2b56364bb4e806ae5ac093c23
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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In addition to resetting all values set by the user, reset value was also
resetting internal configuration. It resulted that the src mac address
in the outgoing packet was set to whatever was specified in pkt inline,
which is wrong (by default src mac address should be set the the port mac address).
Note that reset value reset any "set values" but does not reset
the packet size.
Change-Id: I9d1cd92be9f5814bd7b104932dd6ffe5df3b6edd
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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* changes:
Some fixes after code review
Cosmetic change when printing warnings
Multiple changes for June release
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Taking into account comments from Patrice and Xavier
Change-Id: Ifdabd1945e074c9ee97b059956f107901392c020
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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On Ubuntu 18.04, the keyboard was not properly handled in PROX
For instance, many keys pressed were silently discarded.
The issue is related to a change in histedit/libedit version.
Recent libedit have (silently) changed the prototype of the get_char function
passed in el_set(el, EL_GETCFN, get_char), with some input parameters
changing from char to wchar_t.
As PROX used the old prototype (char based), this resulted in some
uninitialized field (= garbage) in the wchar_t, causing libedit to discard
the character.
PROX now uses different get_char prototypes, depending of the libedit version
being used.
If PROX was already compiled and a the OS is updated (e.g. from Ubuntu 16.04
to Ubuntu 18.04), this will require a 'make clean'.
Change-Id: Icb0e555a21e13cdaf98172bad17f2f838fb7bc3a
Signed-off-by: Xavier Simonart <xavier.simonart@intel.com>
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Warnings can be printed in the following cases:
- When not enough packets are taken into account for measuring packet
latency accuracy.
- When there us a potential network throughput issue, meaning the generator
is generating more packets than the the NIC can handle
- When the generator cannot generate the requested load
If there are no warnings for a certain measurement, nothing gets printed,
suppressing an empty line
Change-Id: Iee07c12142e28dcc0ac406bfed7626731ab08f98
Signed-off-by: Luc Provoost <luc.provoost@intel.com>
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Xavier Simonart
Luc Provoost
Illia Polliul
Patrice Buriez